rwaldhoff 2002/11/29 07:53:10
Modified: jelly/src/java/org/apache/commons/jelly/tags/core
CoreTagLibrary.java
Added: jelly/src/java/org/apache/commons/jelly/tags/core
InvokeTag.java
jelly/src/test/org/apache/commons/jelly/core
TestInvokeTag.java testInvokeTag.jelly
Log:
add invoke tag and tests
Revision Changes Path
1.24 +10 -9 jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/core/CoreTagLibrary.java
Index: CoreTagLibrary.java
===================================================================
RCS file: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/core/CoreTagLibrary.java,v
retrieving revision 1.23
retrieving revision 1.24
diff -u -r1.23 -r1.24
--- CoreTagLibrary.java 28 Nov 2002 00:22:23 -0000 1.23
+++ CoreTagLibrary.java 29 Nov 2002 15:53:10 -0000 1.24
@@ -104,17 +104,18 @@
registerTag("import", ImportTag.class);
// extensions to JSTL
+ registerTag("arg", ArgTag.class);
registerTag("break", BreakTag.class);
registerTag("expr", ExprTag.class);
+ registerTag("file", FileTag.class);
+ registerTag("invoke", InvokeTag.class);
registerTag("new", NewTag.class);
- registerTag("arg", ArgTag.class);
+ registerTag("scope", ScopeTag.class);
registerTag("setProperties", SetPropertiesTag.class);
+ registerTag("thread", ThreadTag.class);
registerTag("useBean", UseBeanTag.class);
registerTag("useList", UseListTag.class);
registerTag("whitespace", WhitespaceTag.class);
- registerTag("thread", ThreadTag.class);
- registerTag("file", FileTag.class);
- registerTag("scope", ScopeTag.class);
}
}
1.1 jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/core/InvokeTag.java
Index: InvokeTag.java
===================================================================
/*
* $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/core/InvokeTag.java,v
1.1 2002/11/29 15:53:10 rwaldhoff Exp $
* $Revision: 1.1 $
* $Date: 2002/11/29 15:53:10 $
*
* ====================================================================
*
* 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", 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/>.
*
* $Id: InvokeTag.java,v 1.1 2002/11/29 15:53:10 rwaldhoff Exp $
*/
package org.apache.commons.jelly.tags.core;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.beanutils.MethodUtils;
import org.apache.commons.jelly.MissingAttributeException;
import org.apache.commons.jelly.TagSupport;
import org.apache.commons.jelly.XMLOutput;
/** A tag which creates a new object of the given type
*
* @author Rodney Waldhoff
* @version $Revision: 1.1 $
*/
public class InvokeTag extends TagSupport implements ArgTagParent {
/** the variable exported */
private String var;
/** the method to invoke */
private String methodName;
/** the object to invoke the method on */
private Object onInstance;
private List paramTypes = new ArrayList();
private List paramValues = new ArrayList();
public InvokeTag() {
}
/** Sets the name of the variable exported by this tag */
public void setVar(String var) {
this.var = var;
}
public void setMethod(String method) {
this.methodName = method;
}
public void setOn(Object instance) {
this.onInstance = instance;
}
public void addArgument(Class type, Object value) {
paramTypes.add(type);
paramValues.add(value);
}
// Tag interface
//-------------------------------------------------------------------------
public void doTag(XMLOutput output) throws Exception {
if ( null == methodName) {
throw new MissingAttributeException( "method" );
}
if ( null == onInstance ) {
throw new MissingAttributeException( "on" );
}
invokeBody(output);
Object[] values = paramValues.toArray();
Class[] types = (Class[])(paramTypes.toArray(new Class[paramTypes.size()]));
Object result = MethodUtils.invokeMethod(onInstance,methodName,values,types);
paramTypes.clear();
paramValues.clear();
ArgTag parentArg = (ArgTag)(findAncestorWithClass(ArgTag.class));
if(null != parentArg) {
parentArg.setValueObject(result);
}
if(null != var) {
context.setVariable(var, result);
}
}
}
1.1 jakarta-commons-sandbox/jelly/src/test/org/apache/commons/jelly/core/TestInvokeTag.java
Index: TestInvokeTag.java
===================================================================
/*
* $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/test/org/apache/commons/jelly/core/TestInvokeTag.java,v
1.1 2002/11/29 15:53:10 rwaldhoff Exp $
* $Revision: 1.1 $
* $Date: 2002/11/29 15:53:10 $
*
* ====================================================================
*
* 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", 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/>.
*
* $Id: TestInvokeTag.java,v 1.1 2002/11/29 15:53:10 rwaldhoff Exp $
*/
package org.apache.commons.jelly.core;
import junit.framework.TestSuite;
import org.apache.commons.jelly.Script;
import org.apache.commons.jelly.bean.Customer;
/**
* @author Rodney Waldhoff
* @version $Revision: 1.1 $ $Date: 2002/11/29 15:53:10 $
*/
public class TestInvokeTag extends BaseJellyTest {
public TestInvokeTag(String name) {
super(name);
}
public static TestSuite suite() throws Exception {
return new TestSuite(TestInvokeTag.class);
}
public void setUp() throws Exception {
super.setUp();
}
public void tearDown() throws Exception {
super.tearDown();
}
public void testSimpleInvoke() throws Exception {
setUpScript("testInvokeTag.jelly");
Script script = getJelly().compileScript();
getJellyContext().setVariable("test.simpleInvoke",Boolean.TRUE);
script.run(getJellyContext(),getXMLOutput());
assertNotNull(getJellyContext().getVariable("foo"));
assertTrue(getJellyContext().getVariable("foo") instanceof Customer);
Customer customer = (Customer)(getJellyContext().getVariable("foo"));
assertEquals("Jane Doe",customer.getName());
assertEquals("Chicago",customer.getCity());
assertNotNull(customer.getOrders());
assertEquals(1,customer.getOrders().size());
assertNotNull(customer.getOrders().get(0));
}
public void testInvokeWithVar() throws Exception {
setUpScript("testInvokeTag.jelly");
Script script = getJelly().compileScript();
getJellyContext().setVariable("test.invokeWithVar",Boolean.TRUE);
script.run(getJellyContext(),getXMLOutput());
assertNotNull(getJellyContext().getVariable("size"));
assertTrue(getJellyContext().getVariable("size") instanceof Integer);
Integer size = (Integer)(getJellyContext().getVariable("size"));
assertEquals(3,size.intValue());
}
public void testInvokeWithReturnedValueAsArg() throws Exception {
setUpScript("testInvokeTag.jelly");
Script script = getJelly().compileScript();
getJellyContext().setVariable("test.invokeWithReturnedValueAsArg",Boolean.TRUE);
script.run(getJellyContext(),getXMLOutput());
assertNotNull(getJellyContext().getVariable("customer"));
assertTrue(getJellyContext().getVariable("customer") instanceof Customer);
Customer customer = (Customer)(getJellyContext().getVariable("customer"));
assertEquals("Jane Doe",customer.getName());
assertEquals("Chicago",customer.getCity());
}
public void testInvokeWithReturnedValueAsArgAndVar() throws Exception {
setUpScript("testInvokeTag.jelly");
Script script = getJelly().compileScript();
getJellyContext().setVariable("test.invokeWithReturnedValueAsArgAndVar",Boolean.TRUE);
script.run(getJellyContext(),getXMLOutput());
assertNotNull(getJellyContext().getVariable("customer"));
assertTrue(getJellyContext().getVariable("customer") instanceof Customer);
Customer customer = (Customer)(getJellyContext().getVariable("customer"));
assertEquals("Jane Doe",customer.getName());
assertEquals("Chicago",customer.getCity());
assertNotNull(getJellyContext().getVariable("argtwo"));
assertEquals("Chicago",getJellyContext().getVariable("argtwo"));
}
}
1.1 jakarta-commons-sandbox/jelly/src/test/org/apache/commons/jelly/core/testInvokeTag.jelly
Index: testInvokeTag.jelly
===================================================================
<j:jelly xmlns:j="jelly:core">
<j:if test="${test.simpleInvoke}">
<j:set var="namearg" value="Jane Doe"/>
<j:new var="foo" className="org.apache.commons.jelly.bean.Customer"/>
<j:invoke method="setName" on="${foo}">
<j:arg value="${namearg}"/>
</j:invoke>
<j:invoke method="setCity" on="${foo}">
<j:arg value="Chicago"/>
</j:invoke>
<j:invoke method="addOrder" on="${foo}">
<j:arg><j:new className="org.apache.commons.jelly.bean.Order"/></j:arg>
</j:invoke>
</j:if>
<j:if test="${test.invokeWithVar}">
<j:new var="list" className="java.util.ArrayList"/>
<j:invoke on="${list}" method="add"><j:arg value="One"/></j:invoke>
<j:invoke on="${list}" method="add"><j:arg value="Two"/></j:invoke>
<j:invoke on="${list}" method="add"><j:arg value="Three"/></j:invoke>
<j:invoke on="${list}" method="size" var="size"/>
</j:if>
<j:if test="${test.invokeWithReturnedValueAsArg}">
<j:new var="list" className="java.util.ArrayList"/>
<j:invoke on="${list}" method="add"><j:arg value="Jane Doe"/></j:invoke>
<j:invoke on="${list}" method="add"><j:arg value="Chicago"/></j:invoke>
<j:new var="customer" className="org.apache.commons.jelly.bean.Customer">
<j:arg><j:invoke on="${list}" method="get"><j:arg type="int"
value="0"/></j:invoke></j:arg>
<j:arg><j:invoke on="${list}" method="get"><j:arg type="int"
value="1"/></j:invoke></j:arg>
</j:new>
</j:if>
<j:if test="${test.invokeWithReturnedValueAsArgAndVar}">
<j:new var="list" className="java.util.ArrayList"/>
<j:invoke on="${list}" method="add"><j:arg value="Jane Doe"/></j:invoke>
<j:invoke on="${list}" method="add"><j:arg value="Chicago"/></j:invoke>
<j:new var="customer" className="org.apache.commons.jelly.bean.Customer">
<j:arg><j:invoke on="${list}" method="get"><j:arg type="int"
value="0"/></j:invoke></j:arg>
<j:arg><j:invoke on="${list}" method="get" var="argtwo"><j:arg
type="int" value="1"/></j:invoke></j:arg>
</j:new>
</j:if>
</j:jelly>
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