You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@commons.apache.org by ge...@apache.org on 2002/04/26 06:47:04 UTC
cvs commit: jakarta-commons-sandbox/jexl/examples ArrayExample.class ArrayExample.java MethodPropertyExample$Foo.class MethodPropertyExample.class MethodPropertyExample.java
geirm 02/04/25 21:47:04
Added: jexl/examples ArrayExample.class ArrayExample.java
MethodPropertyExample$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 apache@apache.org.
*
* 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:geirm@apache.org">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 apache@apache.org.
*
* 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:geirm@apache.org">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;
}
}
}
--
To unsubscribe, e-mail: <ma...@jakarta.apache.org>
For additional commands, e-mail: <ma...@jakarta.apache.org>