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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.File;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.util.FileUtils;
/**
* This task sets a property to the name of a temporary file.
* Unlike the Java1.2 method to create a temporary file, this task
* does work on Java1.1. Also, it does not actually create the
* temporary file, but it does guarantee that the file did not
* exist when the task was executed.
* <p>
* Examples
* <pre><tempfile property="temp.file" /></pre>
* create a temporary file
* <pre><tempfile property="temp.file" suffix=".xml" /></pre>
* create a temporary file with the .xml suffix.
* <pre><tempfile property="temp.file" destDir="build"/></pre>
* create a temp file in the build subdir
*@since Ant 1.5
*@ant.task
*/
public class TempFile extends Task {
/**
* Name of property to set.
*/
private String property;
/**
* Directory to create the file in. Can be null.
*/
private File destDir = null;
/**
* Prefix for the file.
*/
private String prefix;
/**
* Suffix for the file.
*/
private String suffix = "";
/**
* Sets the property you wish to assign the temporary file to.
*
* @param property The property to set
* @ant.attribute group="required"
*/
public void setProperty(String property) {
this.property = property;
}
/**
* Sets the destination directory. If not set,
* the basedir directory is used instead.
*
* @param destDir The new destDir value
*/
public void setDestDir(File destDir) {
this.destDir = destDir;
}
/**
* Sets the optional prefix string for the temp file.
*
* @param prefix string to prepend to generated string
*/
public void setPrefix(String prefix) {
this.prefix = prefix;
}
/**
* Sets the optional suffix string for the temp file.
*
* @param suffix suffix including any "." , e.g ".xml"
*/
public void setSuffix(String suffix) {
this.suffix = suffix;
}
/**
* Creates the temporary file.
*
*@exception BuildException if something goes wrong with the build
*/
public void execute() throws BuildException {
if (property == null || property.length() == 0) {
throw new BuildException("no property specified");
}
if (destDir == null) {
destDir = getProject().resolveFile(".");
}
FileUtils utils = FileUtils.newFileUtils();
File tfile = utils.createTempFile(prefix, suffix, destDir);
getProject().setNewProperty(property, tfile.toString());
}
}
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