org.apache.tools.ant.taskdefs.CallTarget Maven / Gradle / Ivy
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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed 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.tools.ant.taskdefs;
import java.io.IOException;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.PropertySet;
/**
* Call another target in the same project.
*
*
* <target name="foo">
* <antcall target="bar">
* <param name="property1" value="aaaaa" />
* <param name="foo" value="baz" />
* </antcall>
* </target>
*
* <target name="bar" depends="init">
* <echo message="prop is ${property1} ${foo}" />
* </target>
*
*
* This only works as expected if neither property1 nor foo are
* defined in the project itself.
*
*
* @since Ant 1.2
*
* @ant.task name="antcall" category="control"
*/
public class CallTarget extends Task {
private Ant callee;
// must match the default value of Ant#inheritAll
private boolean inheritAll = true;
// must match the default value of Ant#inheritRefs
private boolean inheritRefs = false;
private boolean targetSet = false;
/**
* If true, pass all properties to the new Ant project.
* Defaults to true.
* @param inherit boolean flag.
*/
public void setInheritAll(boolean inherit) {
inheritAll = inherit;
}
/**
* If true, pass all references to the new Ant project.
* Defaults to false.
* @param inheritRefs boolean flag.
*/
public void setInheritRefs(boolean inheritRefs) {
this.inheritRefs = inheritRefs;
}
/**
* Initialize this task by creating new instance of the ant task and
* configuring it by calling its own init method.
*/
public void init() {
callee = (Ant) getProject().createTask("ant");
callee.setOwningTarget(getOwningTarget());
callee.setTaskName(getTaskName());
callee.setLocation(getLocation());
callee.init();
}
/**
* Delegate the work to the ant task instance, after setting it up.
* @throws BuildException on validation failure or if the target didn't
* execute.
*/
public void execute() throws BuildException {
if (callee == null) {
init();
}
if (!targetSet) {
throw new BuildException(
"Attribute target or at least one nested target is required.",
getLocation());
}
callee.setAntfile(getProject().getProperty("ant.file"));
callee.setInheritAll(inheritAll);
callee.setInheritRefs(inheritRefs);
callee.execute();
}
/**
* Create a new Property to pass to the invoked target(s).
* @return a Property object.
*/
public Property createParam() {
if (callee == null) {
init();
}
return callee.createProperty();
}
/**
* Reference element identifying a data type to carry
* over to the invoked target.
* @param r the specified Ant.Reference.
* @since Ant 1.5
*/
public void addReference(Ant.Reference r) {
if (callee == null) {
init();
}
callee.addReference(r);
}
/**
* Set of properties to pass to the new project.
* @param ps the PropertySet to pass.
* @since Ant 1.6
*/
public void addPropertyset(PropertySet ps) {
if (callee == null) {
init();
}
callee.addPropertyset(ps);
}
/**
* Set target to execute.
* @param target the name of the target to execute.
*/
public void setTarget(String target) {
if (callee == null) {
init();
}
callee.setTarget(target);
targetSet = true;
}
/**
* Add a target to the list of targets to invoke.
* @param t Ant.TargetElement representing the target.
* @since Ant 1.6.3
*/
public void addConfiguredTarget(Ant.TargetElement t) {
if (callee == null) {
init();
}
callee.addConfiguredTarget(t);
targetSet = true;
}
/**
* @see Task#handleOutput(String)
*
* @since Ant 1.5
*/
public void handleOutput(String output) {
if (callee != null) {
callee.handleOutput(output);
} else {
super.handleOutput(output);
}
}
/**
* @see Task#handleInput(byte[], int, int)
*
* @since Ant 1.6
*/
public int handleInput(byte[] buffer, int offset, int length)
throws IOException {
if (callee != null) {
return callee.handleInput(buffer, offset, length);
} else {
return super.handleInput(buffer, offset, length);
}
}
/**
* @see Task#handleFlush(String)
*
* @since Ant 1.5.2
*/
public void handleFlush(String output) {
if (callee != null) {
callee.handleFlush(output);
} else {
super.handleFlush(output);
}
}
/**
* @see Task#handleErrorOutput(String)
*
* @since Ant 1.5
*/
public void handleErrorOutput(String output) {
if (callee != null) {
callee.handleErrorOutput(output);
} else {
super.handleErrorOutput(output);
}
}
/**
* @see Task#handleErrorFlush(String)
*
* @since Ant 1.5.2
*/
public void handleErrorFlush(String output) {
if (callee != null) {
callee.handleErrorFlush(output);
} else {
super.handleErrorFlush(output);
}
}
}