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Testatoo Jetty Container with JSP support
/*
* Copyright 2002-2004 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.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.InputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.Properties;
import java.util.Vector;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.filters.util.ChainReaderHelper;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.types.Reference;
import org.apache.tools.ant.types.FilterChain;
/**
* Load a file's contents as Ant properties.
*
* @since Ant 1.5
* @ant.task category="utility"
*/
public class LoadProperties extends Task {
/**
* Source file
*/
private File srcFile = null;
/**
* Resource
*/
private String resource = null;
/**
* Classpath
*/
private Path classpath = null;
/**
* Holds filterchains
*/
private final Vector filterChains = new Vector();
/**
* Encoding to use for input; defaults to the platform's default encoding.
*/
private String encoding = null;
/**
* Set the file to load.
*
* @param srcFile The new SrcFile value
*/
public final void setSrcFile(final File srcFile) {
this.srcFile = srcFile;
}
/**
* Set the resource name of a property file to load.
*
* @param resource resource on classpath
*/
public void setResource(String resource) {
this.resource = resource;
}
/**
* Encoding to use for input, defaults to the platform's default
* encoding.
*
* For a list of possible values see
*
* http://java.sun.com/products/jdk/1.2/docs/guide/internat/encoding.doc.html
* .
*
* @param encoding The new Encoding value
*/
public final void setEncoding(final String encoding) {
this.encoding = encoding;
}
/**
* Set the classpath to use when looking up a resource.
* @param classpath to add to any existing classpath
*/
public void setClasspath(Path classpath) {
if (this.classpath == null) {
this.classpath = classpath;
} else {
this.classpath.append(classpath);
}
}
/**
* Add a classpath to use when looking up a resource.
* @return The classpath to be configured
*/
public Path createClasspath() {
if (this.classpath == null) {
this.classpath = new Path(getProject());
}
return this.classpath.createPath();
}
/**
* Set the classpath to use when looking up a resource,
* given as reference to a <path> defined elsewhere
* @param r The reference value
*/
public void setClasspathRef(Reference r) {
createClasspath().setRefid(r);
}
/**
* get the classpath used by this LoadProperties.
* @return The classpath
*/
public Path getClasspath() {
return classpath;
}
/**
* load Ant properties from the source file or resource
*
* @exception BuildException if something goes wrong with the build
*/
public final void execute() throws BuildException {
//validation
if (srcFile == null && resource == null) {
throw new BuildException(
"One of \"srcfile\" or \"resource\" is required.");
}
BufferedInputStream bis = null;
if (srcFile != null ) {
if (!srcFile.exists()) {
throw new BuildException("Source file does not exist.");
}
if (!srcFile.isFile()) {
throw new BuildException("Source file is not a file.");
}
try {
bis = new BufferedInputStream(new FileInputStream(srcFile));
} catch (IOException eyeOhEx) {
throw new BuildException(eyeOhEx);
}
} else {
ClassLoader cL = (classpath != null)
? getProject().createClassLoader(classpath)
: LoadProperties.class.getClassLoader();
InputStream is = (cL == null)
? ClassLoader.getSystemResourceAsStream(resource)
: cL.getResourceAsStream(resource);
if (is != null) {
bis = new BufferedInputStream(is);
} else { // do it like Property
log("Unable to find resource " + resource, Project.MSG_WARN);
return;
}
}
Reader instream = null;
ByteArrayInputStream tis = null;
try {
if (encoding == null) {
instream = new InputStreamReader(bis);
} else {
instream = new InputStreamReader(bis, encoding);
}
ChainReaderHelper crh = new ChainReaderHelper();
crh.setPrimaryReader(instream);
crh.setFilterChains(filterChains);
crh.setProject(getProject());
instream = crh.getAssembledReader();
String text = crh.readFully(instream);
if (text != null) {
if (!text.endsWith("\n")) {
text = text + "\n";
}
if (encoding == null) {
tis = new ByteArrayInputStream(text.getBytes());
} else {
tis = new ByteArrayInputStream(text.getBytes(encoding));
}
final Properties props = new Properties();
props.load(tis);
Property propertyTask =
(Property) getProject().createTask("property");
propertyTask.setTaskName(getTaskName());
propertyTask.addProperties(props);
}
} catch (final IOException ioe) {
final String message = "Unable to load file: " + ioe.toString();
throw new BuildException(message, ioe, getLocation());
} catch (final BuildException be) {
throw be;
} finally {
try {
if (bis != null) {
bis.close();
}
} catch (IOException ioex) {
//ignore
}
try {
if (tis != null) {
tis.close();
}
} catch (IOException ioex) {
//ignore
}
}
}
/**
* Adds a FilterChain.
* @param filter the filter to add
*/
public final void addFilterChain(FilterChain filter) {
filterChains.addElement(filter);
}
//end class
}