http://git-wip-us.apache.org/repos/asf/hbase-site/blob/ec8bf761/apidocs/src-html/org/apache/hadoop/hbase/filter/ParseFilter.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/ParseFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/ParseFilter.html index 49de9ff..d98b2a6 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/filter/ParseFilter.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/ParseFilter.html @@ -101,684 +101,684 @@ <span class="sourceLineNo">093</span> "SingleColumnValueExcludeFilter");<a name="line.93"></a> <span class="sourceLineNo">094</span> filterHashMap.put("DependentColumnFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.94"></a> <span class="sourceLineNo">095</span> "DependentColumnFilter");<a name="line.95"></a> -<span class="sourceLineNo">096</span><a name="line.96"></a> -<span class="sourceLineNo">097</span> // Creates the operatorPrecedenceHashMap<a name="line.97"></a> -<span class="sourceLineNo">098</span> operatorPrecedenceHashMap = new HashMap<>();<a name="line.98"></a> -<span class="sourceLineNo">099</span> operatorPrecedenceHashMap.put(ParseConstants.SKIP_BUFFER, 1);<a name="line.99"></a> -<span class="sourceLineNo">100</span> operatorPrecedenceHashMap.put(ParseConstants.WHILE_BUFFER, 1);<a name="line.100"></a> -<span class="sourceLineNo">101</span> operatorPrecedenceHashMap.put(ParseConstants.AND_BUFFER, 2);<a name="line.101"></a> -<span class="sourceLineNo">102</span> operatorPrecedenceHashMap.put(ParseConstants.OR_BUFFER, 3);<a name="line.102"></a> -<span class="sourceLineNo">103</span> }<a name="line.103"></a> -<span class="sourceLineNo">104</span><a name="line.104"></a> -<span class="sourceLineNo">105</span> /**<a name="line.105"></a> -<span class="sourceLineNo">106</span> * Parses the filterString and constructs a filter using it<a name="line.106"></a> -<span class="sourceLineNo">107</span> * <p><a name="line.107"></a> -<span class="sourceLineNo">108</span> * @param filterString filter string given by the user<a name="line.108"></a> -<span class="sourceLineNo">109</span> * @return filter object we constructed<a name="line.109"></a> -<span class="sourceLineNo">110</span> */<a name="line.110"></a> -<span class="sourceLineNo">111</span> public Filter parseFilterString (String filterString)<a name="line.111"></a> -<span class="sourceLineNo">112</span> throws CharacterCodingException {<a name="line.112"></a> -<span class="sourceLineNo">113</span> return parseFilterString(Bytes.toBytes(filterString));<a name="line.113"></a> -<span class="sourceLineNo">114</span> }<a name="line.114"></a> -<span class="sourceLineNo">115</span><a name="line.115"></a> -<span class="sourceLineNo">116</span> /**<a name="line.116"></a> -<span class="sourceLineNo">117</span> * Parses the filterString and constructs a filter using it<a name="line.117"></a> -<span class="sourceLineNo">118</span> * <p><a name="line.118"></a> -<span class="sourceLineNo">119</span> * @param filterStringAsByteArray filter string given by the user<a name="line.119"></a> -<span class="sourceLineNo">120</span> * @return filter object we constructed<a name="line.120"></a> -<span class="sourceLineNo">121</span> */<a name="line.121"></a> -<span class="sourceLineNo">122</span> public Filter parseFilterString (byte [] filterStringAsByteArray)<a name="line.122"></a> -<span class="sourceLineNo">123</span> throws CharacterCodingException {<a name="line.123"></a> -<span class="sourceLineNo">124</span> // stack for the operators and parenthesis<a name="line.124"></a> -<span class="sourceLineNo">125</span> Stack <ByteBuffer> operatorStack = new Stack<>();<a name="line.125"></a> -<span class="sourceLineNo">126</span> // stack for the filter objects<a name="line.126"></a> -<span class="sourceLineNo">127</span> Stack <Filter> filterStack = new Stack<>();<a name="line.127"></a> -<span class="sourceLineNo">128</span><a name="line.128"></a> -<span class="sourceLineNo">129</span> Filter filter = null;<a name="line.129"></a> -<span class="sourceLineNo">130</span> for (int i=0; i<filterStringAsByteArray.length; i++) {<a name="line.130"></a> -<span class="sourceLineNo">131</span> if (filterStringAsByteArray[i] == ParseConstants.LPAREN) {<a name="line.131"></a> -<span class="sourceLineNo">132</span> // LPAREN found<a name="line.132"></a> -<span class="sourceLineNo">133</span> operatorStack.push(ParseConstants.LPAREN_BUFFER);<a name="line.133"></a> -<span class="sourceLineNo">134</span> } else if (filterStringAsByteArray[i] == ParseConstants.WHITESPACE ||<a name="line.134"></a> -<span class="sourceLineNo">135</span> filterStringAsByteArray[i] == ParseConstants.TAB) {<a name="line.135"></a> -<span class="sourceLineNo">136</span> // WHITESPACE or TAB found<a name="line.136"></a> -<span class="sourceLineNo">137</span> continue;<a name="line.137"></a> -<span class="sourceLineNo">138</span> } else if (checkForOr(filterStringAsByteArray, i)) {<a name="line.138"></a> -<span class="sourceLineNo">139</span> // OR found<a name="line.139"></a> -<span class="sourceLineNo">140</span> i += ParseConstants.OR_ARRAY.length - 1;<a name="line.140"></a> -<span class="sourceLineNo">141</span> reduce(operatorStack, filterStack, ParseConstants.OR_BUFFER);<a name="line.141"></a> -<span class="sourceLineNo">142</span> operatorStack.push(ParseConstants.OR_BUFFER);<a name="line.142"></a> -<span class="sourceLineNo">143</span> } else if (checkForAnd(filterStringAsByteArray, i)) {<a name="line.143"></a> -<span class="sourceLineNo">144</span> // AND found<a name="line.144"></a> -<span class="sourceLineNo">145</span> i += ParseConstants.AND_ARRAY.length - 1;<a name="line.145"></a> -<span class="sourceLineNo">146</span> reduce(operatorStack, filterStack, ParseConstants.AND_BUFFER);<a name="line.146"></a> -<span class="sourceLineNo">147</span> operatorStack.push(ParseConstants.AND_BUFFER);<a name="line.147"></a> -<span class="sourceLineNo">148</span> } else if (checkForSkip(filterStringAsByteArray, i)) {<a name="line.148"></a> -<span class="sourceLineNo">149</span> // SKIP found<a name="line.149"></a> -<span class="sourceLineNo">150</span> i += ParseConstants.SKIP_ARRAY.length - 1;<a name="line.150"></a> -<span class="sourceLineNo">151</span> reduce(operatorStack, filterStack, ParseConstants.SKIP_BUFFER);<a name="line.151"></a> -<span class="sourceLineNo">152</span> operatorStack.push(ParseConstants.SKIP_BUFFER);<a name="line.152"></a> -<span class="sourceLineNo">153</span> } else if (checkForWhile(filterStringAsByteArray, i)) {<a name="line.153"></a> -<span class="sourceLineNo">154</span> // WHILE found<a name="line.154"></a> -<span class="sourceLineNo">155</span> i += ParseConstants.WHILE_ARRAY.length - 1;<a name="line.155"></a> -<span class="sourceLineNo">156</span> reduce(operatorStack, filterStack, ParseConstants.WHILE_BUFFER);<a name="line.156"></a> -<span class="sourceLineNo">157</span> operatorStack.push(ParseConstants.WHILE_BUFFER);<a name="line.157"></a> -<span class="sourceLineNo">158</span> } else if (filterStringAsByteArray[i] == ParseConstants.RPAREN) {<a name="line.158"></a> -<span class="sourceLineNo">159</span> // RPAREN found<a name="line.159"></a> -<span class="sourceLineNo">160</span> if (operatorStack.empty()) {<a name="line.160"></a> -<span class="sourceLineNo">161</span> throw new IllegalArgumentException("Mismatched parenthesis");<a name="line.161"></a> -<span class="sourceLineNo">162</span> }<a name="line.162"></a> -<span class="sourceLineNo">163</span> ByteBuffer argumentOnTopOfStack = operatorStack.peek();<a name="line.163"></a> -<span class="sourceLineNo">164</span> if (argumentOnTopOfStack.equals(ParseConstants.LPAREN_BUFFER)) {<a name="line.164"></a> -<span class="sourceLineNo">165</span> operatorStack.pop();<a name="line.165"></a> -<span class="sourceLineNo">166</span> continue;<a name="line.166"></a> -<span class="sourceLineNo">167</span> }<a name="line.167"></a> -<span class="sourceLineNo">168</span> while (!(argumentOnTopOfStack.equals(ParseConstants.LPAREN_BUFFER))) {<a name="line.168"></a> -<span class="sourceLineNo">169</span> filterStack.push(popArguments(operatorStack, filterStack));<a name="line.169"></a> -<span class="sourceLineNo">170</span> if (operatorStack.empty()) {<a name="line.170"></a> -<span class="sourceLineNo">171</span> throw new IllegalArgumentException("Mismatched parenthesis");<a name="line.171"></a> -<span class="sourceLineNo">172</span> }<a name="line.172"></a> -<span class="sourceLineNo">173</span> argumentOnTopOfStack = operatorStack.pop();<a name="line.173"></a> -<span class="sourceLineNo">174</span> }<a name="line.174"></a> -<span class="sourceLineNo">175</span> } else {<a name="line.175"></a> -<span class="sourceLineNo">176</span> // SimpleFilterExpression found<a name="line.176"></a> -<span class="sourceLineNo">177</span> byte [] filterSimpleExpression = extractFilterSimpleExpression(filterStringAsByteArray, i);<a name="line.177"></a> -<span class="sourceLineNo">178</span> i+= (filterSimpleExpression.length - 1);<a name="line.178"></a> -<span class="sourceLineNo">179</span> filter = parseSimpleFilterExpression(filterSimpleExpression);<a name="line.179"></a> -<span class="sourceLineNo">180</span> filterStack.push(filter);<a name="line.180"></a> -<span class="sourceLineNo">181</span> }<a name="line.181"></a> -<span class="sourceLineNo">182</span> }<a name="line.182"></a> -<span class="sourceLineNo">183</span><a name="line.183"></a> -<span class="sourceLineNo">184</span> // Finished parsing filterString<a name="line.184"></a> -<span class="sourceLineNo">185</span> while (!operatorStack.empty()) {<a name="line.185"></a> -<span class="sourceLineNo">186</span> filterStack.push(popArguments(operatorStack, filterStack));<a name="line.186"></a> -<span class="sourceLineNo">187</span> }<a name="line.187"></a> -<span class="sourceLineNo">188</span> if (filterStack.empty()) {<a name="line.188"></a> -<span class="sourceLineNo">189</span> throw new IllegalArgumentException("Incorrect Filter String");<a name="line.189"></a> -<span class="sourceLineNo">190</span> }<a name="line.190"></a> -<span class="sourceLineNo">191</span> filter = filterStack.pop();<a name="line.191"></a> -<span class="sourceLineNo">192</span> if (!filterStack.empty()) {<a name="line.192"></a> -<span class="sourceLineNo">193</span> throw new IllegalArgumentException("Incorrect Filter String");<a name="line.193"></a> -<span class="sourceLineNo">194</span> }<a name="line.194"></a> -<span class="sourceLineNo">195</span> return filter;<a name="line.195"></a> -<span class="sourceLineNo">196</span> }<a name="line.196"></a> -<span class="sourceLineNo">197</span><a name="line.197"></a> -<span class="sourceLineNo">198</span>/**<a name="line.198"></a> -<span class="sourceLineNo">199</span> * Extracts a simple filter expression from the filter string given by the user<a name="line.199"></a> -<span class="sourceLineNo">200</span> * <p><a name="line.200"></a> -<span class="sourceLineNo">201</span> * A simpleFilterExpression is of the form: FilterName('arg', 'arg', 'arg')<a name="line.201"></a> -<span class="sourceLineNo">202</span> * The user given filter string can have many simpleFilterExpressions combined<a name="line.202"></a> -<span class="sourceLineNo">203</span> * using operators.<a name="line.203"></a> -<span class="sourceLineNo">204</span> * <p><a name="line.204"></a> -<span class="sourceLineNo">205</span> * This function extracts a simpleFilterExpression from the<a name="line.205"></a> -<span class="sourceLineNo">206</span> * larger filterString given the start offset of the simpler expression<a name="line.206"></a> -<span class="sourceLineNo">207</span> * <p><a name="line.207"></a> -<span class="sourceLineNo">208</span> * @param filterStringAsByteArray filter string given by the user<a name="line.208"></a> -<span class="sourceLineNo">209</span> * @param filterExpressionStartOffset start index of the simple filter expression<a name="line.209"></a> -<span class="sourceLineNo">210</span> * @return byte array containing the simple filter expression<a name="line.210"></a> -<span class="sourceLineNo">211</span> */<a name="line.211"></a> -<span class="sourceLineNo">212</span> public byte [] extractFilterSimpleExpression (byte [] filterStringAsByteArray,<a name="line.212"></a> -<span class="sourceLineNo">213</span> int filterExpressionStartOffset)<a name="line.213"></a> -<span class="sourceLineNo">214</span> throws CharacterCodingException {<a name="line.214"></a> -<span class="sourceLineNo">215</span> int quoteCount = 0;<a name="line.215"></a> -<span class="sourceLineNo">216</span> for (int i=filterExpressionStartOffset; i<filterStringAsByteArray.length; i++) {<a name="line.216"></a> -<span class="sourceLineNo">217</span> if (filterStringAsByteArray[i] == ParseConstants.SINGLE_QUOTE) {<a name="line.217"></a> -<span class="sourceLineNo">218</span> if (isQuoteUnescaped(filterStringAsByteArray, i)) {<a name="line.218"></a> -<span class="sourceLineNo">219</span> quoteCount ++;<a name="line.219"></a> -<span class="sourceLineNo">220</span> } else {<a name="line.220"></a> -<span class="sourceLineNo">221</span> // To skip the next quote that has been escaped<a name="line.221"></a> -<span class="sourceLineNo">222</span> i++;<a name="line.222"></a> -<span class="sourceLineNo">223</span> }<a name="line.223"></a> -<span class="sourceLineNo">224</span> }<a name="line.224"></a> -<span class="sourceLineNo">225</span> if (filterStringAsByteArray[i] == ParseConstants.RPAREN && (quoteCount %2 ) == 0) {<a name="line.225"></a> -<span class="sourceLineNo">226</span> byte [] filterSimpleExpression = new byte [i - filterExpressionStartOffset + 1];<a name="line.226"></a> -<span class="sourceLineNo">227</span> Bytes.putBytes(filterSimpleExpression, 0, filterStringAsByteArray,<a name="line.227"></a> -<span class="sourceLineNo">228</span> filterExpressionStartOffset, i-filterExpressionStartOffset + 1);<a name="line.228"></a> -<span class="sourceLineNo">229</span> return filterSimpleExpression;<a name="line.229"></a> -<span class="sourceLineNo">230</span> }<a name="line.230"></a> -<span class="sourceLineNo">231</span> }<a name="line.231"></a> -<span class="sourceLineNo">232</span> throw new IllegalArgumentException("Incorrect Filter String");<a name="line.232"></a> -<span class="sourceLineNo">233</span> }<a name="line.233"></a> -<span class="sourceLineNo">234</span><a name="line.234"></a> -<span class="sourceLineNo">235</span>/**<a name="line.235"></a> -<span class="sourceLineNo">236</span> * Constructs a filter object given a simple filter expression<a name="line.236"></a> -<span class="sourceLineNo">237</span> * <p><a name="line.237"></a> -<span class="sourceLineNo">238</span> * @param filterStringAsByteArray filter string given by the user<a name="line.238"></a> -<span class="sourceLineNo">239</span> * @return filter object we constructed<a name="line.239"></a> -<span class="sourceLineNo">240</span> */<a name="line.240"></a> -<span class="sourceLineNo">241</span> public Filter parseSimpleFilterExpression (byte [] filterStringAsByteArray)<a name="line.241"></a> -<span class="sourceLineNo">242</span> throws CharacterCodingException {<a name="line.242"></a> -<span class="sourceLineNo">243</span><a name="line.243"></a> -<span class="sourceLineNo">244</span> String filterName = Bytes.toString(getFilterName(filterStringAsByteArray));<a name="line.244"></a> -<span class="sourceLineNo">245</span> ArrayList<byte []> filterArguments = getFilterArguments(filterStringAsByteArray);<a name="line.245"></a> -<span class="sourceLineNo">246</span> if (!filterHashMap.containsKey(filterName)) {<a name="line.246"></a> -<span class="sourceLineNo">247</span> throw new IllegalArgumentException("Filter Name " + filterName + " not supported");<a name="line.247"></a> -<span class="sourceLineNo">248</span> }<a name="line.248"></a> -<span class="sourceLineNo">249</span> try {<a name="line.249"></a> -<span class="sourceLineNo">250</span> filterName = filterHashMap.get(filterName);<a name="line.250"></a> -<span class="sourceLineNo">251</span> Class<?> c = Class.forName(filterName);<a name="line.251"></a> -<span class="sourceLineNo">252</span> Class<?>[] argTypes = new Class [] {ArrayList.class};<a name="line.252"></a> -<span class="sourceLineNo">253</span> Method m = c.getDeclaredMethod("createFilterFromArguments", argTypes);<a name="line.253"></a> -<span class="sourceLineNo">254</span> return (Filter) m.invoke(null,filterArguments);<a name="line.254"></a> -<span class="sourceLineNo">255</span> } catch (ClassNotFoundException e) {<a name="line.255"></a> -<span class="sourceLineNo">256</span> e.printStackTrace();<a name="line.256"></a> -<span class="sourceLineNo">257</span> } catch (NoSuchMethodException e) {<a name="line.257"></a> +<span class="sourceLineNo">096</span> filterHashMap.put("ColumnValueFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.96"></a> +<span class="sourceLineNo">097</span> "ColumnValueFilter");<a name="line.97"></a> +<span class="sourceLineNo">098</span><a name="line.98"></a> +<span class="sourceLineNo">099</span> // Creates the operatorPrecedenceHashMap<a name="line.99"></a> +<span class="sourceLineNo">100</span> operatorPrecedenceHashMap = new HashMap<>();<a name="line.100"></a> +<span class="sourceLineNo">101</span> operatorPrecedenceHashMap.put(ParseConstants.SKIP_BUFFER, 1);<a name="line.101"></a> +<span class="sourceLineNo">102</span> operatorPrecedenceHashMap.put(ParseConstants.WHILE_BUFFER, 1);<a name="line.102"></a> +<span class="sourceLineNo">103</span> operatorPrecedenceHashMap.put(ParseConstants.AND_BUFFER, 2);<a name="line.103"></a> +<span class="sourceLineNo">104</span> operatorPrecedenceHashMap.put(ParseConstants.OR_BUFFER, 3);<a name="line.104"></a> +<span class="sourceLineNo">105</span> }<a name="line.105"></a> +<span class="sourceLineNo">106</span><a name="line.106"></a> +<span class="sourceLineNo">107</span> /**<a name="line.107"></a> +<span class="sourceLineNo">108</span> * Parses the filterString and constructs a filter using it<a name="line.108"></a> +<span class="sourceLineNo">109</span> * <p><a name="line.109"></a> +<span class="sourceLineNo">110</span> * @param filterString filter string given by the user<a name="line.110"></a> +<span class="sourceLineNo">111</span> * @return filter object we constructed<a name="line.111"></a> +<span class="sourceLineNo">112</span> */<a name="line.112"></a> +<span class="sourceLineNo">113</span> public Filter parseFilterString (String filterString)<a name="line.113"></a> +<span class="sourceLineNo">114</span> throws CharacterCodingException {<a name="line.114"></a> +<span class="sourceLineNo">115</span> return parseFilterString(Bytes.toBytes(filterString));<a name="line.115"></a> +<span class="sourceLineNo">116</span> }<a name="line.116"></a> +<span class="sourceLineNo">117</span><a name="line.117"></a> +<span class="sourceLineNo">118</span> /**<a name="line.118"></a> +<span class="sourceLineNo">119</span> * Parses the filterString and constructs a filter using it<a name="line.119"></a> +<span class="sourceLineNo">120</span> * <p><a name="line.120"></a> +<span class="sourceLineNo">121</span> * @param filterStringAsByteArray filter string given by the user<a name="line.121"></a> +<span class="sourceLineNo">122</span> * @return filter object we constructed<a name="line.122"></a> +<span class="sourceLineNo">123</span> */<a name="line.123"></a> +<span class="sourceLineNo">124</span> public Filter parseFilterString (byte [] filterStringAsByteArray)<a name="line.124"></a> +<span class="sourceLineNo">125</span> throws CharacterCodingException {<a name="line.125"></a> +<span class="sourceLineNo">126</span> // stack for the operators and parenthesis<a name="line.126"></a> +<span class="sourceLineNo">127</span> Stack <ByteBuffer> operatorStack = new Stack<>();<a name="line.127"></a> +<span class="sourceLineNo">128</span> // stack for the filter objects<a name="line.128"></a> +<span class="sourceLineNo">129</span> Stack <Filter> filterStack = new Stack<>();<a name="line.129"></a> +<span class="sourceLineNo">130</span><a name="line.130"></a> +<span class="sourceLineNo">131</span> Filter filter = null;<a name="line.131"></a> +<span class="sourceLineNo">132</span> for (int i=0; i<filterStringAsByteArray.length; i++) {<a name="line.132"></a> +<span class="sourceLineNo">133</span> if (filterStringAsByteArray[i] == ParseConstants.LPAREN) {<a name="line.133"></a> +<span class="sourceLineNo">134</span> // LPAREN found<a name="line.134"></a> +<span class="sourceLineNo">135</span> operatorStack.push(ParseConstants.LPAREN_BUFFER);<a name="line.135"></a> +<span class="sourceLineNo">136</span> } else if (filterStringAsByteArray[i] == ParseConstants.WHITESPACE ||<a name="line.136"></a> +<span class="sourceLineNo">137</span> filterStringAsByteArray[i] == ParseConstants.TAB) {<a name="line.137"></a> +<span class="sourceLineNo">138</span> // WHITESPACE or TAB found<a name="line.138"></a> +<span class="sourceLineNo">139</span> continue;<a name="line.139"></a> +<span class="sourceLineNo">140</span> } else if (checkForOr(filterStringAsByteArray, i)) {<a name="line.140"></a> +<span class="sourceLineNo">141</span> // OR found<a name="line.141"></a> +<span class="sourceLineNo">142</span> i += ParseConstants.OR_ARRAY.length - 1;<a name="line.142"></a> +<span class="sourceLineNo">143</span> reduce(operatorStack, filterStack, ParseConstants.OR_BUFFER);<a name="line.143"></a> +<span class="sourceLineNo">144</span> operatorStack.push(ParseConstants.OR_BUFFER);<a name="line.144"></a> +<span class="sourceLineNo">145</span> } else if (checkForAnd(filterStringAsByteArray, i)) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> // AND found<a name="line.146"></a> +<span class="sourceLineNo">147</span> i += ParseConstants.AND_ARRAY.length - 1;<a name="line.147"></a> +<span class="sourceLineNo">148</span> reduce(operatorStack, filterStack, ParseConstants.AND_BUFFER);<a name="line.148"></a> +<span class="sourceLineNo">149</span> operatorStack.push(ParseConstants.AND_BUFFER);<a name="line.149"></a> +<span class="sourceLineNo">150</span> } else if (checkForSkip(filterStringAsByteArray, i)) {<a name="line.150"></a> +<span class="sourceLineNo">151</span> // SKIP found<a name="line.151"></a> +<span class="sourceLineNo">152</span> i += ParseConstants.SKIP_ARRAY.length - 1;<a name="line.152"></a> +<span class="sourceLineNo">153</span> reduce(operatorStack, filterStack, ParseConstants.SKIP_BUFFER);<a name="line.153"></a> +<span class="sourceLineNo">154</span> operatorStack.push(ParseConstants.SKIP_BUFFER);<a name="line.154"></a> +<span class="sourceLineNo">155</span> } else if (checkForWhile(filterStringAsByteArray, i)) {<a name="line.155"></a> +<span class="sourceLineNo">156</span> // WHILE found<a name="line.156"></a> +<span class="sourceLineNo">157</span> i += ParseConstants.WHILE_ARRAY.length - 1;<a name="line.157"></a> +<span class="sourceLineNo">158</span> reduce(operatorStack, filterStack, ParseConstants.WHILE_BUFFER);<a name="line.158"></a> +<span class="sourceLineNo">159</span> operatorStack.push(ParseConstants.WHILE_BUFFER);<a name="line.159"></a> +<span class="sourceLineNo">160</span> } else if (filterStringAsByteArray[i] == ParseConstants.RPAREN) {<a name="line.160"></a> +<span class="sourceLineNo">161</span> // RPAREN found<a name="line.161"></a> +<span class="sourceLineNo">162</span> if (operatorStack.empty()) {<a name="line.162"></a> +<span class="sourceLineNo">163</span> throw new IllegalArgumentException("Mismatched parenthesis");<a name="line.163"></a> +<span class="sourceLineNo">164</span> }<a name="line.164"></a> +<span class="sourceLineNo">165</span> ByteBuffer argumentOnTopOfStack = operatorStack.peek();<a name="line.165"></a> +<span class="sourceLineNo">166</span> if (argumentOnTopOfStack.equals(ParseConstants.LPAREN_BUFFER)) {<a name="line.166"></a> +<span class="sourceLineNo">167</span> operatorStack.pop();<a name="line.167"></a> +<span class="sourceLineNo">168</span> continue;<a name="line.168"></a> +<span class="sourceLineNo">169</span> }<a name="line.169"></a> +<span class="sourceLineNo">170</span> while (!(argumentOnTopOfStack.equals(ParseConstants.LPAREN_BUFFER))) {<a name="line.170"></a> +<span class="sourceLineNo">171</span> filterStack.push(popArguments(operatorStack, filterStack));<a name="line.171"></a> +<span class="sourceLineNo">172</span> if (operatorStack.empty()) {<a name="line.172"></a> +<span class="sourceLineNo">173</span> throw new IllegalArgumentException("Mismatched parenthesis");<a name="line.173"></a> +<span class="sourceLineNo">174</span> }<a name="line.174"></a> +<span class="sourceLineNo">175</span> argumentOnTopOfStack = operatorStack.pop();<a name="line.175"></a> +<span class="sourceLineNo">176</span> }<a name="line.176"></a> +<span class="sourceLineNo">177</span> } else {<a name="line.177"></a> +<span class="sourceLineNo">178</span> // SimpleFilterExpression found<a name="line.178"></a> +<span class="sourceLineNo">179</span> byte [] filterSimpleExpression = extractFilterSimpleExpression(filterStringAsByteArray, i);<a name="line.179"></a> +<span class="sourceLineNo">180</span> i+= (filterSimpleExpression.length - 1);<a name="line.180"></a> +<span class="sourceLineNo">181</span> filter = parseSimpleFilterExpression(filterSimpleExpression);<a name="line.181"></a> +<span class="sourceLineNo">182</span> filterStack.push(filter);<a name="line.182"></a> +<span class="sourceLineNo">183</span> }<a name="line.183"></a> +<span class="sourceLineNo">184</span> }<a name="line.184"></a> +<span class="sourceLineNo">185</span><a name="line.185"></a> +<span class="sourceLineNo">186</span> // Finished parsing filterString<a name="line.186"></a> +<span class="sourceLineNo">187</span> while (!operatorStack.empty()) {<a name="line.187"></a> +<span class="sourceLineNo">188</span> filterStack.push(popArguments(operatorStack, filterStack));<a name="line.188"></a> +<span class="sourceLineNo">189</span> }<a name="line.189"></a> +<span class="sourceLineNo">190</span> if (filterStack.empty()) {<a name="line.190"></a> +<span class="sourceLineNo">191</span> throw new IllegalArgumentException("Incorrect Filter String");<a name="line.191"></a> +<span class="sourceLineNo">192</span> }<a name="line.192"></a> +<span class="sourceLineNo">193</span> filter = filterStack.pop();<a name="line.193"></a> +<span class="sourceLineNo">194</span> if (!filterStack.empty()) {<a name="line.194"></a> +<span class="sourceLineNo">195</span> throw new IllegalArgumentException("Incorrect Filter String");<a name="line.195"></a> +<span class="sourceLineNo">196</span> }<a name="line.196"></a> +<span class="sourceLineNo">197</span> return filter;<a name="line.197"></a> +<span class="sourceLineNo">198</span> }<a name="line.198"></a> +<span class="sourceLineNo">199</span><a name="line.199"></a> +<span class="sourceLineNo">200</span>/**<a name="line.200"></a> +<span class="sourceLineNo">201</span> * Extracts a simple filter expression from the filter string given by the user<a name="line.201"></a> +<span class="sourceLineNo">202</span> * <p><a name="line.202"></a> +<span class="sourceLineNo">203</span> * A simpleFilterExpression is of the form: FilterName('arg', 'arg', 'arg')<a name="line.203"></a> +<span class="sourceLineNo">204</span> * The user given filter string can have many simpleFilterExpressions combined<a name="line.204"></a> +<span class="sourceLineNo">205</span> * using operators.<a name="line.205"></a> +<span class="sourceLineNo">206</span> * <p><a name="line.206"></a> +<span class="sourceLineNo">207</span> * This function extracts a simpleFilterExpression from the<a name="line.207"></a> +<span class="sourceLineNo">208</span> * larger filterString given the start offset of the simpler expression<a name="line.208"></a> +<span class="sourceLineNo">209</span> * <p><a name="line.209"></a> +<span class="sourceLineNo">210</span> * @param filterStringAsByteArray filter string given by the user<a name="line.210"></a> +<span class="sourceLineNo">211</span> * @param filterExpressionStartOffset start index of the simple filter expression<a name="line.211"></a> +<span class="sourceLineNo">212</span> * @return byte array containing the simple filter expression<a name="line.212"></a> +<span class="sourceLineNo">213</span> */<a name="line.213"></a> +<span class="sourceLineNo">214</span> public byte [] extractFilterSimpleExpression (byte [] filterStringAsByteArray,<a name="line.214"></a> +<span class="sourceLineNo">215</span> int filterExpressionStartOffset)<a name="line.215"></a> +<span class="sourceLineNo">216</span> throws CharacterCodingException {<a name="line.216"></a> +<span class="sourceLineNo">217</span> int quoteCount = 0;<a name="line.217"></a> +<span class="sourceLineNo">218</span> for (int i=filterExpressionStartOffset; i<filterStringAsByteArray.length; i++) {<a name="line.218"></a> +<span class="sourceLineNo">219</span> if (filterStringAsByteArray[i] == ParseConstants.SINGLE_QUOTE) {<a name="line.219"></a> +<span class="sourceLineNo">220</span> if (isQuoteUnescaped(filterStringAsByteArray, i)) {<a name="line.220"></a> +<span class="sourceLineNo">221</span> quoteCount ++;<a name="line.221"></a> +<span class="sourceLineNo">222</span> } else {<a name="line.222"></a> +<span class="sourceLineNo">223</span> // To skip the next quote that has been escaped<a name="line.223"></a> +<span class="sourceLineNo">224</span> i++;<a name="line.224"></a> +<span class="sourceLineNo">225</span> }<a name="line.225"></a> +<span class="sourceLineNo">226</span> }<a name="line.226"></a> +<span class="sourceLineNo">227</span> if (filterStringAsByteArray[i] == ParseConstants.RPAREN && (quoteCount %2 ) == 0) {<a name="line.227"></a> +<span class="sourceLineNo">228</span> byte [] filterSimpleExpression = new byte [i - filterExpressionStartOffset + 1];<a name="line.228"></a> +<span class="sourceLineNo">229</span> Bytes.putBytes(filterSimpleExpression, 0, filterStringAsByteArray,<a name="line.229"></a> +<span class="sourceLineNo">230</span> filterExpressionStartOffset, i-filterExpressionStartOffset + 1);<a name="line.230"></a> +<span class="sourceLineNo">231</span> return filterSimpleExpression;<a name="line.231"></a> +<span class="sourceLineNo">232</span> }<a name="line.232"></a> +<span class="sourceLineNo">233</span> }<a name="line.233"></a> +<span class="sourceLineNo">234</span> throw new IllegalArgumentException("Incorrect Filter String");<a name="line.234"></a> +<span class="sourceLineNo">235</span> }<a name="line.235"></a> +<span class="sourceLineNo">236</span><a name="line.236"></a> +<span class="sourceLineNo">237</span>/**<a name="line.237"></a> +<span class="sourceLineNo">238</span> * Constructs a filter object given a simple filter expression<a name="line.238"></a> +<span class="sourceLineNo">239</span> * <p><a name="line.239"></a> +<span class="sourceLineNo">240</span> * @param filterStringAsByteArray filter string given by the user<a name="line.240"></a> +<span class="sourceLineNo">241</span> * @return filter object we constructed<a name="line.241"></a> +<span class="sourceLineNo">242</span> */<a name="line.242"></a> +<span class="sourceLineNo">243</span> public Filter parseSimpleFilterExpression (byte [] filterStringAsByteArray)<a name="line.243"></a> +<span class="sourceLineNo">244</span> throws CharacterCodingException {<a name="line.244"></a> +<span class="sourceLineNo">245</span><a name="line.245"></a> +<span class="sourceLineNo">246</span> String filterName = Bytes.toString(getFilterName(filterStringAsByteArray));<a name="line.246"></a> +<span class="sourceLineNo">247</span> ArrayList<byte []> filterArguments = getFilterArguments(filterStringAsByteArray);<a name="line.247"></a> +<span class="sourceLineNo">248</span> if (!filterHashMap.containsKey(filterName)) {<a name="line.248"></a> +<span class="sourceLineNo">249</span> throw new IllegalArgumentException("Filter Name " + filterName + " not supported");<a name="line.249"></a> +<span class="sourceLineNo">250</span> }<a name="line.250"></a> +<span class="sourceLineNo">251</span> try {<a name="line.251"></a> +<span class="sourceLineNo">252</span> filterName = filterHashMap.get(filterName);<a name="line.252"></a> +<span class="sourceLineNo">253</span> Class<?> c = Class.forName(filterName);<a name="line.253"></a> +<span class="sourceLineNo">254</span> Class<?>[] argTypes = new Class [] {ArrayList.class};<a name="line.254"></a> +<span class="sourceLineNo">255</span> Method m = c.getDeclaredMethod("createFilterFromArguments", argTypes);<a name="line.255"></a> +<span class="sourceLineNo">256</span> return (Filter) m.invoke(null,filterArguments);<a name="line.256"></a> +<span class="sourceLineNo">257</span> } catch (ClassNotFoundException e) {<a name="line.257"></a> <span class="sourceLineNo">258</span> e.printStackTrace();<a name="line.258"></a> -<span class="sourceLineNo">259</span> } catch (IllegalAccessException e) {<a name="line.259"></a> +<span class="sourceLineNo">259</span> } catch (NoSuchMethodException e) {<a name="line.259"></a> <span class="sourceLineNo">260</span> e.printStackTrace();<a name="line.260"></a> -<span class="sourceLineNo">261</span> } catch (InvocationTargetException e) {<a name="line.261"></a> +<span class="sourceLineNo">261</span> } catch (IllegalAccessException e) {<a name="line.261"></a> <span class="sourceLineNo">262</span> e.printStackTrace();<a name="line.262"></a> -<span class="sourceLineNo">263</span> }<a name="line.263"></a> -<span class="sourceLineNo">264</span> throw new IllegalArgumentException("Incorrect filter string " +<a name="line.264"></a> -<span class="sourceLineNo">265</span> new String(filterStringAsByteArray, StandardCharsets.UTF_8));<a name="line.265"></a> -<span class="sourceLineNo">266</span> }<a name="line.266"></a> -<span class="sourceLineNo">267</span><a name="line.267"></a> -<span class="sourceLineNo">268</span>/**<a name="line.268"></a> -<span class="sourceLineNo">269</span> * Returns the filter name given a simple filter expression<a name="line.269"></a> -<span class="sourceLineNo">270</span> * <p><a name="line.270"></a> -<span class="sourceLineNo">271</span> * @param filterStringAsByteArray a simple filter expression<a name="line.271"></a> -<span class="sourceLineNo">272</span> * @return name of filter in the simple filter expression<a name="line.272"></a> -<span class="sourceLineNo">273</span> */<a name="line.273"></a> -<span class="sourceLineNo">274</span> public static byte [] getFilterName (byte [] filterStringAsByteArray) {<a name="line.274"></a> -<span class="sourceLineNo">275</span> int filterNameStartIndex = 0;<a name="line.275"></a> -<span class="sourceLineNo">276</span> int filterNameEndIndex = 0;<a name="line.276"></a> -<span class="sourceLineNo">277</span><a name="line.277"></a> -<span class="sourceLineNo">278</span> for (int i=filterNameStartIndex; i<filterStringAsByteArray.length; i++) {<a name="line.278"></a> -<span class="sourceLineNo">279</span> if (filterStringAsByteArray[i] == ParseConstants.LPAREN ||<a name="line.279"></a> -<span class="sourceLineNo">280</span> filterStringAsByteArray[i] == ParseConstants.WHITESPACE) {<a name="line.280"></a> -<span class="sourceLineNo">281</span> filterNameEndIndex = i;<a name="line.281"></a> -<span class="sourceLineNo">282</span> break;<a name="line.282"></a> -<span class="sourceLineNo">283</span> }<a name="line.283"></a> -<span class="sourceLineNo">284</span> }<a name="line.284"></a> -<span class="sourceLineNo">285</span><a name="line.285"></a> -<span class="sourceLineNo">286</span> if (filterNameEndIndex == 0) {<a name="line.286"></a> -<span class="sourceLineNo">287</span> throw new IllegalArgumentException("Incorrect Filter Name");<a name="line.287"></a> -<span class="sourceLineNo">288</span> }<a name="line.288"></a> -<span class="sourceLineNo">289</span><a name="line.289"></a> -<span class="sourceLineNo">290</span> byte [] filterName = new byte[filterNameEndIndex - filterNameStartIndex];<a name="line.290"></a> -<span class="sourceLineNo">291</span> Bytes.putBytes(filterName, 0, filterStringAsByteArray, 0,<a name="line.291"></a> -<span class="sourceLineNo">292</span> filterNameEndIndex - filterNameStartIndex);<a name="line.292"></a> -<span class="sourceLineNo">293</span> return filterName;<a name="line.293"></a> -<span class="sourceLineNo">294</span> }<a name="line.294"></a> -<span class="sourceLineNo">295</span><a name="line.295"></a> -<span class="sourceLineNo">296</span>/**<a name="line.296"></a> -<span class="sourceLineNo">297</span> * Returns the arguments of the filter from the filter string<a name="line.297"></a> -<span class="sourceLineNo">298</span> * <p><a name="line.298"></a> -<span class="sourceLineNo">299</span> * @param filterStringAsByteArray filter string given by the user<a name="line.299"></a> -<span class="sourceLineNo">300</span> * @return an ArrayList containing the arguments of the filter in the filter string<a name="line.300"></a> -<span class="sourceLineNo">301</span> */<a name="line.301"></a> -<span class="sourceLineNo">302</span> public static ArrayList<byte []> getFilterArguments (byte [] filterStringAsByteArray) {<a name="line.302"></a> -<span class="sourceLineNo">303</span> int argumentListStartIndex = Bytes.searchDelimiterIndex(filterStringAsByteArray, 0,<a name="line.303"></a> -<span class="sourceLineNo">304</span> filterStringAsByteArray.length,<a name="line.304"></a> -<span class="sourceLineNo">305</span> ParseConstants.LPAREN);<a name="line.305"></a> -<span class="sourceLineNo">306</span> if (argumentListStartIndex == -1) {<a name="line.306"></a> -<span class="sourceLineNo">307</span> throw new IllegalArgumentException("Incorrect argument list");<a name="line.307"></a> -<span class="sourceLineNo">308</span> }<a name="line.308"></a> -<span class="sourceLineNo">309</span><a name="line.309"></a> -<span class="sourceLineNo">310</span> int argumentStartIndex = 0;<a name="line.310"></a> -<span class="sourceLineNo">311</span> int argumentEndIndex = 0;<a name="line.311"></a> -<span class="sourceLineNo">312</span> ArrayList<byte []> filterArguments = new ArrayList<>();<a name="line.312"></a> -<span class="sourceLineNo">313</span><a name="line.313"></a> -<span class="sourceLineNo">314</span> for (int i = argumentListStartIndex + 1; i<filterStringAsByteArray.length; i++) {<a name="line.314"></a> +<span class="sourceLineNo">263</span> } catch (InvocationTargetException e) {<a name="line.263"></a> +<span class="sourceLineNo">264</span> e.printStackTrace();<a name="line.264"></a> +<span class="sourceLineNo">265</span> }<a name="line.265"></a> +<span class="sourceLineNo">266</span> throw new IllegalArgumentException("Incorrect filter string " +<a name="line.266"></a> +<span class="sourceLineNo">267</span> new String(filterStringAsByteArray, StandardCharsets.UTF_8));<a name="line.267"></a> +<span class="sourceLineNo">268</span> }<a name="line.268"></a> +<span class="sourceLineNo">269</span><a name="line.269"></a> +<span class="sourceLineNo">270</span>/**<a name="line.270"></a> +<span class="sourceLineNo">271</span> * Returns the filter name given a simple filter expression<a name="line.271"></a> +<span class="sourceLineNo">272</span> * <p><a name="line.272"></a> +<span class="sourceLineNo">273</span> * @param filterStringAsByteArray a simple filter expression<a name="line.273"></a> +<span class="sourceLineNo">274</span> * @return name of filter in the simple filter expression<a name="line.274"></a> +<span class="sourceLineNo">275</span> */<a name="line.275"></a> +<span class="sourceLineNo">276</span> public static byte [] getFilterName (byte [] filterStringAsByteArray) {<a name="line.276"></a> +<span class="sourceLineNo">277</span> int filterNameStartIndex = 0;<a name="line.277"></a> +<span class="sourceLineNo">278</span> int filterNameEndIndex = 0;<a name="line.278"></a> +<span class="sourceLineNo">279</span><a name="line.279"></a> +<span class="sourceLineNo">280</span> for (int i=filterNameStartIndex; i<filterStringAsByteArray.length; i++) {<a name="line.280"></a> +<span class="sourceLineNo">281</span> if (filterStringAsByteArray[i] == ParseConstants.LPAREN ||<a name="line.281"></a> +<span class="sourceLineNo">282</span> filterStringAsByteArray[i] == ParseConstants.WHITESPACE) {<a name="line.282"></a> +<span class="sourceLineNo">283</span> filterNameEndIndex = i;<a name="line.283"></a> +<span class="sourceLineNo">284</span> break;<a name="line.284"></a> +<span class="sourceLineNo">285</span> }<a name="line.285"></a> +<span class="sourceLineNo">286</span> }<a name="line.286"></a> +<span class="sourceLineNo">287</span><a name="line.287"></a> +<span class="sourceLineNo">288</span> if (filterNameEndIndex == 0) {<a name="line.288"></a> +<span class="sourceLineNo">289</span> throw new IllegalArgumentException("Incorrect Filter Name");<a name="line.289"></a> +<span class="sourceLineNo">290</span> }<a name="line.290"></a> +<span class="sourceLineNo">291</span><a name="line.291"></a> +<span class="sourceLineNo">292</span> byte [] filterName = new byte[filterNameEndIndex - filterNameStartIndex];<a name="line.292"></a> +<span class="sourceLineNo">293</span> Bytes.putBytes(filterName, 0, filterStringAsByteArray, 0,<a name="line.293"></a> +<span class="sourceLineNo">294</span> filterNameEndIndex - filterNameStartIndex);<a name="line.294"></a> +<span class="sourceLineNo">295</span> return filterName;<a name="line.295"></a> +<span class="sourceLineNo">296</span> }<a name="line.296"></a> +<span class="sourceLineNo">297</span><a name="line.297"></a> +<span class="sourceLineNo">298</span>/**<a name="line.298"></a> +<span class="sourceLineNo">299</span> * Returns the arguments of the filter from the filter string<a name="line.299"></a> +<span class="sourceLineNo">300</span> * <p><a name="line.300"></a> +<span class="sourceLineNo">301</span> * @param filterStringAsByteArray filter string given by the user<a name="line.301"></a> +<span class="sourceLineNo">302</span> * @return an ArrayList containing the arguments of the filter in the filter string<a name="line.302"></a> +<span class="sourceLineNo">303</span> */<a name="line.303"></a> +<span class="sourceLineNo">304</span> public static ArrayList<byte []> getFilterArguments (byte [] filterStringAsByteArray) {<a name="line.304"></a> +<span class="sourceLineNo">305</span> int argumentListStartIndex = Bytes.searchDelimiterIndex(filterStringAsByteArray, 0,<a name="line.305"></a> +<span class="sourceLineNo">306</span> filterStringAsByteArray.length,<a name="line.306"></a> +<span class="sourceLineNo">307</span> ParseConstants.LPAREN);<a name="line.307"></a> +<span class="sourceLineNo">308</span> if (argumentListStartIndex == -1) {<a name="line.308"></a> +<span class="sourceLineNo">309</span> throw new IllegalArgumentException("Incorrect argument list");<a name="line.309"></a> +<span class="sourceLineNo">310</span> }<a name="line.310"></a> +<span class="sourceLineNo">311</span><a name="line.311"></a> +<span class="sourceLineNo">312</span> int argumentStartIndex = 0;<a name="line.312"></a> +<span class="sourceLineNo">313</span> int argumentEndIndex = 0;<a name="line.313"></a> +<span class="sourceLineNo">314</span> ArrayList<byte []> filterArguments = new ArrayList<>();<a name="line.314"></a> <span class="sourceLineNo">315</span><a name="line.315"></a> -<span class="sourceLineNo">316</span> if (filterStringAsByteArray[i] == ParseConstants.WHITESPACE ||<a name="line.316"></a> -<span class="sourceLineNo">317</span> filterStringAsByteArray[i] == ParseConstants.COMMA ||<a name="line.317"></a> -<span class="sourceLineNo">318</span> filterStringAsByteArray[i] == ParseConstants.RPAREN) {<a name="line.318"></a> -<span class="sourceLineNo">319</span> continue;<a name="line.319"></a> -<span class="sourceLineNo">320</span> }<a name="line.320"></a> -<span class="sourceLineNo">321</span><a name="line.321"></a> -<span class="sourceLineNo">322</span> // The argument is in single quotes - for example 'prefix'<a name="line.322"></a> -<span class="sourceLineNo">323</span> if (filterStringAsByteArray[i] == ParseConstants.SINGLE_QUOTE) {<a name="line.323"></a> -<span class="sourceLineNo">324</span> argumentStartIndex = i;<a name="line.324"></a> -<span class="sourceLineNo">325</span> for (int j = argumentStartIndex+1; j < filterStringAsByteArray.length; j++) {<a name="line.325"></a> -<span class="sourceLineNo">326</span> if (filterStringAsByteArray[j] == ParseConstants.SINGLE_QUOTE) {<a name="line.326"></a> -<span class="sourceLineNo">327</span> if (isQuoteUnescaped(filterStringAsByteArray,j)) {<a name="line.327"></a> -<span class="sourceLineNo">328</span> argumentEndIndex = j;<a name="line.328"></a> -<span class="sourceLineNo">329</span> i = j+1;<a name="line.329"></a> -<span class="sourceLineNo">330</span> byte [] filterArgument = createUnescapdArgument(filterStringAsByteArray,<a name="line.330"></a> -<span class="sourceLineNo">331</span> argumentStartIndex, argumentEndIndex);<a name="line.331"></a> -<span class="sourceLineNo">332</span> filterArguments.add(filterArgument);<a name="line.332"></a> -<span class="sourceLineNo">333</span> break;<a name="line.333"></a> -<span class="sourceLineNo">334</span> } else {<a name="line.334"></a> -<span class="sourceLineNo">335</span> // To jump over the second escaped quote<a name="line.335"></a> -<span class="sourceLineNo">336</span> j++;<a name="line.336"></a> -<span class="sourceLineNo">337</span> }<a name="line.337"></a> -<span class="sourceLineNo">338</span> } else if (j == filterStringAsByteArray.length - 1) {<a name="line.338"></a> -<span class="sourceLineNo">339</span> throw new IllegalArgumentException("Incorrect argument list");<a name="line.339"></a> -<span class="sourceLineNo">340</span> }<a name="line.340"></a> -<span class="sourceLineNo">341</span> }<a name="line.341"></a> -<span class="sourceLineNo">342</span> } else {<a name="line.342"></a> -<span class="sourceLineNo">343</span> // The argument is an integer, boolean, comparison operator like <, >, != etc<a name="line.343"></a> -<span class="sourceLineNo">344</span> argumentStartIndex = i;<a name="line.344"></a> -<span class="sourceLineNo">345</span> for (int j = argumentStartIndex; j < filterStringAsByteArray.length; j++) {<a name="line.345"></a> -<span class="sourceLineNo">346</span> if (filterStringAsByteArray[j] == ParseConstants.WHITESPACE ||<a name="line.346"></a> -<span class="sourceLineNo">347</span> filterStringAsByteArray[j] == ParseConstants.COMMA ||<a name="line.347"></a> -<span class="sourceLineNo">348</span> filterStringAsByteArray[j] == ParseConstants.RPAREN) {<a name="line.348"></a> -<span class="sourceLineNo">349</span> argumentEndIndex = j - 1;<a name="line.349"></a> -<span class="sourceLineNo">350</span> i = j;<a name="line.350"></a> -<span class="sourceLineNo">351</span> byte [] filterArgument = new byte [argumentEndIndex - argumentStartIndex + 1];<a name="line.351"></a> -<span class="sourceLineNo">352</span> Bytes.putBytes(filterArgument, 0, filterStringAsByteArray,<a name="line.352"></a> -<span class="sourceLineNo">353</span> argumentStartIndex, argumentEndIndex - argumentStartIndex + 1);<a name="line.353"></a> -<span class="sourceLineNo">354</span> filterArguments.add(filterArgument);<a name="line.354"></a> -<span class="sourceLineNo">355</span> break;<a name="line.355"></a> -<span class="sourceLineNo">356</span> } else if (j == filterStringAsByteArray.length - 1) 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+<span class="sourceLineNo">319</span> filterStringAsByteArray[i] == ParseConstants.COMMA ||<a name="line.319"></a> +<span class="sourceLineNo">320</span> filterStringAsByteArray[i] == ParseConstants.RPAREN) {<a name="line.320"></a> +<span class="sourceLineNo">321</span> continue;<a name="line.321"></a> +<span class="sourceLineNo">322</span> }<a name="line.322"></a> +<span class="sourceLineNo">323</span><a name="line.323"></a> +<span class="sourceLineNo">324</span> // The argument is in single quotes - for example 'prefix'<a name="line.324"></a> +<span class="sourceLineNo">325</span> if (filterStringAsByteArray[i] == ParseConstants.SINGLE_QUOTE) {<a name="line.325"></a> +<span class="sourceLineNo">326</span> argumentStartIndex = i;<a name="line.326"></a> +<span class="sourceLineNo">327</span> for (int j = argumentStartIndex+1; j < filterStringAsByteArray.length; j++) {<a name="line.327"></a> +<span class="sourceLineNo">328</span> if (filterStringAsByteArray[j] == ParseConstants.SINGLE_QUOTE) {<a name="line.328"></a> +<span class="sourceLineNo">329</span> if (isQuoteUnescaped(filterStringAsByteArray,j)) {<a name="line.329"></a> +<span class="sourceLineNo">330</span> argumentEndIndex = j;<a name="line.330"></a> +<span class="sourceLineNo">331</span> i = j+1;<a name="line.331"></a> +<span class="sourceLineNo">332</span> byte [] filterArgument = createUnescapdArgument(filterStringAsByteArray,<a name="line.332"></a> +<span class="sourceLineNo">333</span> argumentStartIndex, argumentEndIndex);<a name="line.333"></a> +<span class="sourceLineNo">334</span> filterArguments.add(filterArgument);<a name="line.334"></a> +<span class="sourceLineNo">335</span> break;<a name="line.335"></a> +<span class="sourceLineNo">336</span> } else {<a name="line.336"></a> +<span class="sourceLineNo">337</span> // To jump over the second escaped quote<a name="line.337"></a> +<span class="sourceLineNo">338</span> j++;<a name="line.338"></a> +<span class="sourceLineNo">339</span> }<a name="line.339"></a> +<span class="sourceLineNo">340</span> } else if (j == filterStringAsByteArray.length - 1) {<a name="line.340"></a> +<span class="sourceLineNo">341</span> throw new IllegalArgumentException("Incorrect argument list");<a name="line.341"></a> +<span class="sourceLineNo">342</span> }<a name="line.342"></a> +<span class="sourceLineNo">343</span> }<a name="line.343"></a> +<span class="sourceLineNo">344</span> } else {<a name="line.344"></a> +<span class="sourceLineNo">345</span> // The argument is an integer, boolean, comparison operator like <, >, != etc<a name="line.345"></a> +<span class="sourceLineNo">346</span> argumentStartIndex = i;<a name="line.346"></a> +<span class="sourceLineNo">347</span> for (int j = argumentStartIndex; j < filterStringAsByteArray.length; j++) {<a name="line.347"></a> +<span class="sourceLineNo">348</span> if (filterStringAsByteArray[j] == ParseConstants.WHITESPACE ||<a name="line.348"></a> +<span 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filterStringAsByteArray.length - 1) {<a name="line.358"></a> +<span class="sourceLineNo">359</span> throw new IllegalArgumentException("Incorrect argument list");<a name="line.359"></a> +<span class="sourceLineNo">360</span> }<a name="line.360"></a> +<span class="sourceLineNo">361</span> }<a name="line.361"></a> +<span class="sourceLineNo">362</span> }<a name="line.362"></a> +<span class="sourceLineNo">363</span> }<a name="line.363"></a> +<span class="sourceLineNo">364</span> return filterArguments;<a name="line.364"></a> +<span class="sourceLineNo">365</span> }<a name="line.365"></a> +<span class="sourceLineNo">366</span><a name="line.366"></a> +<span class="sourceLineNo">367</span>/**<a name="line.367"></a> +<span class="sourceLineNo">368</span> * This function is called while parsing the filterString and an operator is parsed<a name="line.368"></a> +<span class="sourceLineNo">369</span> * <p><a name="line.369"></a> +<span class="sourceLineNo">370</span> * @param operatorStack the 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