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https://issues.apache.org/jira/browse/COCOON3-77?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13144968#comment-13144968
]
Andre Juffer commented on COCOON3-77:
-------------------------------------
# This patch file was generated by NetBeans IDE
# It uses platform neutral UTF-8 encoding and \n newlines.
--- Locally New
+++ Locally New
@@ -0,0 +1,126 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.cocoon.components.serializers.util;
+
+import org.json.JSONObject;
+import org.json.JSONException;
+
+import org.xml.sax.SAXException;
+import org.xml.sax.Attributes;
+
+/**
+ * A text serializer for JSON. This serializer expects all JSON text to be
enclosed by a
+ * single element. It also checks whether or not the received JSON text is
valid.
+ * @author André Juffer, Triacle Biocomputing
+ *
+ * @see <a href="http://www.json.org/";>JSON.org</a>
+ */
+public class JsonSerializer extends TextSerializer {
+
+ StringBuilder jsonString;
+ boolean element;
+
+ public JsonSerializer()
+ throws Exception
+ {
+ super();
+ this.jsonString = new StringBuilder();
+ this.element = false;
+ }
+
+ @Override
+ public String getMimeType()
+ {
+ return "application/json; charset=" + this.charset.getName();
+ }
+
+ @Override
+ public void characters(char[] chars,
+ int start,
+ int len)
+ throws SAXException
+ {
+ if ( this.element )
+ {
+ String s = new String(chars, start, len);
+ this.jsonString.append(s);
+ }
+ super.characters(chars, start, len);
+ }
+
+ @Override
+ public void startElement(String uri,
+ String localName,
+ String qName,
+ Attributes atts)
+ throws SAXException
+ {
+ this.element = true;
+ super.startElement(uri, uri, uri, atts);
+
+ }
+
+ /**
+ * Validates JSON.
+ * @throws SAXException if JSON is invalid.
+ */
+ @Override
+ public void endElement(String uri,
+ String localName,
+ String qName)
+ throws SAXException
+ {
+ String s = this.jsonString.toString();
+ try
+ {
+ JSONObject jsonObject = new JSONObject(s);
+ }
+ catch (JSONException exception)
+ {
+ throw new SAXException(s + ": Invalid JSON.", exception);
+ }
+ super.endElement(uri, localName, qName);
+ }
+
+ @Override
+ public void recycle()
+ {
+ this.jsonString = new StringBuilder();
+ this.element = false;
+ super.recycle();
+ }
+
+
+ @Override
+ public String toString()
+ {
+ String newline = System.getProperty("line.separator");
+
+ StringBuilder s = new StringBuilder(this.getClass().getName() + " : ["
+ newline);
+ if ( this.charset != null )
+ s.append("charset - ").append(this.charset.toString());
+ if ( this.doctype != null )
+ s.append("").append(this.doctype.toString()).append(newline);
+ s.append("mime-type - ").append(this.getMimeType()).append(newline);
+ s.append("]").append(newline);
+
+ return s.toString();
+ }
+}
> Text and JSON serializers
> -------------------------
>
> Key: COCOON3-77
> URL: https://issues.apache.org/jira/browse/COCOON3-77
> Project: Cocoon 3
> Issue Type: Improvement
> Components: cocoon-optional
> Affects Versions: 3.0.0-alpha-3
> Reporter: Andre Juffer
> Priority: Minor
> Attachments: EncodingJsonSerializer.java,
> EncodingTextSerializer.java, JsonSerializer.java, TextEncoder.java,
> TextSerializer.java, pom.xml, tribc-cocoon-3.xml
>
>
> Serveral classes have been created for serializing text and JSON in the
> sitemap. The JsonSerializer also checks whether the JSON text actually is
> valid. The organization of the classes follows the encoding serializers (such
> as the EncodingHTMLSerializer).
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