geirm 02/04/25 21:47:04 Added: jexl/examples ArrayExample.class ArrayExample.java MethodPropertyExample$Foo.class MethodPropertyExample.class MethodPropertyExample.java Log: Examples Revision Changes Path 1.1 jakarta-commons-sandbox/jexl/examples/ArrayExample.class <<Binary file>> 1.1 jakarta-commons-sandbox/jexl/examples/ArrayExample.java Index: ArrayExample.java =================================================================== /* * The Apache Software License, Version 1.1 * * Copyright (c) 2002 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, if * any, must include the following acknowlegement: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowlegement may appear in the software itself, * if and wherever such third-party acknowlegements normally appear. * * 4. The names "The Jakarta Project", "Commons", "Jexl" and "Apache Software * Foundation" must not be used to endorse or promote products derived * from this software without prior written permission. For written * permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache" * nor may "Apache" appear in their names without prior written * permission of the Apache Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ import org.apache.commons.jexl.Expression; import org.apache.commons.jexl.ExpressionFactory; import org.apache.commons.jexl.JexlContext; import org.apache.commons.jexl.JexlHelper; import java.util.List; import java.util.ArrayList; /** * simple example to show how to access arrays * * @author <a href="mailto:[EMAIL PROTECTED]">Geir Magnusson Jr.</a> * @version $Id: ArrayExample.java,v 1.1 2002/04/26 04:47:03 geirm Exp $ */ public class ArrayExample { public static void main(String args[]) throws Exception { /* * First make a jexlContext and put stuff in it */ JexlContext jc = JexlHelper.createContext(); List l = new ArrayList(); l.add("Hello from location 0"); l.add(new Integer(2)); jc.put("array", l); Expression e = ExpressionFactory.createExpression("array[1]"); Object o = e.evaluate(jc); System.out.println("Object @ location 1 = " + o); e = ExpressionFactory.createExpression("array[0].length()"); o = e.evaluate(jc); System.out.println("The length of the string at location 0 is : " + o); } } 1.1 jakarta-commons-sandbox/jexl/examples/MethodPropertyExample$Foo.class <<Binary file>> 1.1 jakarta-commons-sandbox/jexl/examples/MethodPropertyExample.class <<Binary file>> 1.1 jakarta-commons-sandbox/jexl/examples/MethodPropertyExample.java Index: MethodPropertyExample.java =================================================================== /* * The Apache Software License, Version 1.1 * * Copyright (c) 2002 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, if * any, must include the following acknowlegement: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowlegement may appear in the software itself, * if and wherever such third-party acknowlegements normally appear. * * 4. The names "The Jakarta Project", "Commons", "Jexl" and "Apache Software * Foundation" must not be used to endorse or promote products derived * from this software without prior written permission. For written * permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache" * nor may "Apache" appear in their names without prior written * permission of the Apache Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ import org.apache.commons.jexl.JexlHelper; import org.apache.commons.jexl.JexlContext; import org.apache.commons.jexl.Expression; import org.apache.commons.jexl.ExpressionFactory; /** * simple example to show how to access method and properties * * @author <a href="mailto:[EMAIL PROTECTED]">Geir Magnusson Jr.</a> * @version $Id: MethodPropertyExample.java,v 1.1 2002/04/26 04:47:03 geirm Exp $ */ public class MethodPropertyExample { public static void main(String args[]) throws Exception { /* * First make a jexlContext and put stuff in it */ JexlContext jc = JexlHelper.createContext(); jc.put("foo", new Foo()); jc.put("number", new Integer(10)); /* * access a method w/o args */ Expression e = ExpressionFactory.createExpression("foo.getFoo()"); Object o = e.evaluate(jc); System.out.println("value returned by the method getFoo() is : " + o); /* * access a method w/ args */ e = ExpressionFactory.createExpression("foo.convert(1)"); o = e.evaluate(jc); System.out.println("value returned by the method convert() w/ arg = 1 is : " + o); e = ExpressionFactory.createExpression("foo.convert(1+7)"); o = e.evaluate(jc); System.out.println("value returned by the method convert() w/ arg = 1+7 is : " + o); e = ExpressionFactory.createExpression("foo.convert(1+number)"); o = e.evaluate(jc); System.out.println("value returned by the method convert() w/ arg = 1+number is : " + o); /* * access a property */ e = ExpressionFactory.createExpression("foo.bar"); o = e.evaluate(jc); System.out.println("value returned for the property 'bar' is : " + o); } public static class Foo { public String getFoo() { return "This is from getFoo()"; } public String get(String arg) { return "This is the property " + arg; } public String convert(long i) { return "The value is : " + i; } } }
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