/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.cxf.maven_plugin;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URI;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import org.apache.commons.lang.SystemUtils;
import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.helpers.FileUtils;
import org.apache.cxf.tools.common.ToolContext;
import org.apache.cxf.tools.wsdlto.WSDLToJava;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.InvalidRepositoryException;
import org.apache.maven.artifact.factory.ArtifactFactory;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.ArtifactRepositoryFactory;
import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.apache.maven.artifact.resolver.ArtifactResolver;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectUtils;
import org.apache.maven.settings.Proxy;
import org.codehaus.plexus.archiver.jar.JarArchiver;
import org.codehaus.plexus.archiver.jar.Manifest;
import org.codehaus.plexus.archiver.jar.Manifest.Attribute;
import org.codehaus.plexus.util.StringUtils;
import org.codehaus.plexus.util.cli.CommandLineException;
import org.codehaus.plexus.util.cli.CommandLineUtils;
import org.codehaus.plexus.util.cli.Commandline;
/**
* @goal wsdl2java
* @phase generate-sources
* @description CXF WSDL To Java Tool
* @requiresDependencyResolution test
* @threadSafe
*/
public class WSDL2JavaMojo extends AbstractMojo {
/**
* @parameter expression="${cxf.testSourceRoot}"
*/
File testSourceRoot;
/**
* Path where the generated sources should be placed
*
* @parameter expression="${cxf.sourceRoot}"
* default-value="${project.build.directory}/generated-sources/cxf"
* @required
*/
File sourceRoot;
/**
* @parameter expression="${project.build.outputDirectory}"
* @required
*/
String classesDirectory;
/**
* @parameter expression="${project}"
* @required
*/
MavenProject project;
/**
* Default options to be used when a wsdl has not had it's options explicitly specified.
*
* @parameter
*/
Option defaultOptions = new Option();
/**
* @parameter
*/
WsdlOption wsdlOptions[];
/**
* @parameter expression="${cxf.wsdlRoot}" default-value="${basedir}/src/main/resources/wsdl"
*/
File wsdlRoot;
/**
* @parameter expression="${cxf.testWsdlRoot}" default-value="${basedir}/src/test/resources/wsdl"
*/
File testWsdlRoot;
/**
* Directory in which the "DONE" markers are saved that
*
* @parameter expression="${cxf.markerDirectory}"
* default-value="${project.build.directory}/cxf-codegen-plugin-markers"
*/
File markerDirectory;
/**
* Use the compile classpath rather than the test classpath for execution useful if the test dependencies
* clash with those of wsdl2java
*
* @parameter expression="${cxf.useCompileClasspath}" default-value="false"
*/
boolean useCompileClasspath;
/**
* Disables the scanning of the wsdlRoot/testWsdlRoot directories configured above.
* By default, we scan for *.wsdl (see include/exclude params as well) in the wsdlRoot
* directories and run wsdl2java on all the wsdl's we find. This disables that scan
* and requires an explicit wsdlOption to be set for each wsdl that needs to be processed.
* @parameter expression="${cxf.disableDirectoryScan}" default-value="false"
*/
boolean disableDirectoryScan;
/**
* By default all maven dependencies of type "wsdl" are added to the effective wsdlOptions. Setting this
* parameter to true disables this functionality
*
* @parameter expression="${cxf.disableDependencyScan}" default-value="false"
*/
boolean disableDependencyScan;
/**
* A list of wsdl files to include. Can contain ant-style wildcards and double wildcards. Defaults to
* *.wsdl
*
* @parameter
*/
String includes[];
/**
* A list of wsdl files to exclude. Can contain ant-style wildcards and double wildcards.
*
* @parameter
*/
String excludes[];
/**
* The local repository taken from Maven's runtime. Typically $HOME/.m2/repository.
*
* @parameter expression="${localRepository}"
* @readonly
* @required
*/
private ArtifactRepository localRepository;
/**
* Artifact factory, needed to create artifacts.
*
* @component
* @readonly
* @required
*/
private ArtifactFactory artifactFactory;
/**
* The remote repositories used as specified in your POM.
*
* @parameter expression="${project.repositories}"
* @readonly
* @required
*/
private List repositories;
/**
* Artifact repository factory component.
*
* @component
* @readonly
* @required
*/
private ArtifactRepositoryFactory artifactRepositoryFactory;
/**
* The Maven session.
*
* @parameter expression="${session}"
* @readonly
* @required
*/
private MavenSession mavenSession;
/**
* @component
* @readonly
* @required
*/
private ArtifactResolver artifactResolver;
/**
* The plugin dependencies, needed for the fork mode.
*
* @parameter expression="${plugin.artifacts}"
* @required
* @readonly
*/
private List<Artifact> pluginArtifacts;
/**
* Allows running the JavaToWs in a separate process.
* Valid values are "false", "always", and "once"
* The value of "true" is equal to "once"
*
* @parameter default-value="false"
* @since 2.4
*/
private String fork;
/**
* Sets the Java executable to use when fork parameter is <code>true</code>.
*
* @parameter default-value="${java.home}/bin/java"
* @since 2.4
*/
private String javaExecutable;
/**
* Sets the JVM arguments (i.e. <code>-Xms128m -Xmx128m</code>) if fork is set to <code>true</code>.
*
* @parameter
* @since 2.4
*/
private String additionalJvmArgs;
/**
* Merge WsdlOptions that point to the same file by adding the extraargs to the first option and deleting
* the second from the options list
*
* @param options
*/
private void mergeOptions(List<WsdlOption> effectiveWsdlOptions) {
if (wsdlOptions == null) {
return;
}
File outputDirFile = testSourceRoot == null ? sourceRoot : testSourceRoot;
for (WsdlOption o : wsdlOptions) {
if (defaultOptions != null) {
o.merge(defaultOptions);
}
if (o.getOutputDir() == null) {
o.setOutputDir(outputDirFile);
}
File file = o.getWsdlFile(project.getBasedir());
if (file != null && file.exists()) {
file = file.getAbsoluteFile();
for (WsdlOption o2 : effectiveWsdlOptions) {
File file2 = o2.getWsdlFile(project.getBasedir());
if (file2 != null && file2.exists() && file2.getAbsoluteFile().equals(file)) {
o.getExtraargs().addAll(0, o2.getExtraargs());
effectiveWsdlOptions.remove(o2);
break;
}
}
}
effectiveWsdlOptions.add(o);
}
}
/**
* @return effective WsdlOptions
* @throws MojoExecutionException
*/
private List<WsdlOption> createWsdlOptionsFromScansAndExplicitWsdlOptions()
throws MojoExecutionException {
List<WsdlOption> effectiveWsdlOptions = new ArrayList<WsdlOption>();
List<WsdlOption> temp;
if (wsdlRoot != null && wsdlRoot.exists() && !disableDirectoryScan) {
temp = WsdlOptionLoader.loadWsdlOptionsFromFiles(wsdlRoot, includes, excludes, defaultOptions,
sourceRoot);
effectiveWsdlOptions.addAll(temp);
}
if (testWsdlRoot != null && testWsdlRoot.exists() && !disableDirectoryScan) {
temp = WsdlOptionLoader.loadWsdlOptionsFromFiles(testWsdlRoot, includes, excludes,
defaultOptions, testSourceRoot);
effectiveWsdlOptions.addAll(temp);
}
if (!disableDependencyScan) {
temp = WsdlOptionLoader.loadWsdlOptionsFromDependencies(project, defaultOptions, sourceRoot);
effectiveWsdlOptions.addAll(temp);
}
mergeOptions(effectiveWsdlOptions);
downloadRemoteWsdls(effectiveWsdlOptions);
// String buildDir = project.getBuild().getDirectory();
// File tempBindingDir = new File(buildDir, TEMPBINDINGS_DIR);
// for (WsdlOption o : effectiveWsdlOptions) {
// BindingFileHelper.setWsdlLocationInBindingsIfNotSet(project.getBasedir(), tempBindingDir, o,
// getLog());
// }
return effectiveWsdlOptions;
}
@SuppressWarnings("unchecked")
private Artifact resolveRemoteWsdlArtifact(List remoteRepos, Artifact artifact)
throws MojoExecutionException {
/**
* First try to find the artifact in the reactor projects of the maven session.
* So an artifact that is not yet built can be resolved
*/
List<MavenProject> rProjects = mavenSession.getSortedProjects();
for (MavenProject rProject : rProjects) {
if (artifact.getGroupId().equals(rProject.getGroupId())
&& artifact.getArtifactId().equals(rProject.getArtifactId())
&& artifact.getVersion().equals(rProject.getVersion())) {
Set<Artifact> artifacts = rProject.getArtifacts();
for (Artifact pArtifact : artifacts) {
if ("wsdl".equals(pArtifact.getType())) {
return pArtifact;
}
}
}
}
/**
* If this did not work resolve the artifact using the artifactResolver
*/
try {
artifactResolver.resolve(artifact, remoteRepos, localRepository);
} catch (ArtifactResolutionException e) {
throw new MojoExecutionException("Error downloading wsdl artifact.", e);
} catch (ArtifactNotFoundException e) {
throw new MojoExecutionException("Resource can not be found.", e);
}
return artifact;
}
private void downloadRemoteWsdls(List<WsdlOption> effectiveWsdlOptions) throws MojoExecutionException {
List remoteRepos;
try {
remoteRepos = ProjectUtils.buildArtifactRepositories(repositories, artifactRepositoryFactory,
mavenSession.getContainer());
} catch (InvalidRepositoryException e) {
throw new MojoExecutionException("Error build repositories for remote wsdls", e);
}
for (WsdlOption wsdlOption : effectiveWsdlOptions) {
WsdlArtifact wsdlA = wsdlOption.getWsdlArtifact();
if (wsdlA == null) {
continue;
}
Artifact wsdlArtifact = artifactFactory.createArtifact(wsdlA.getGroupId(), wsdlA.getArtifactId(),
wsdlA.getVersion(),
Artifact.SCOPE_COMPILE, wsdlA.getType());
wsdlArtifact = resolveRemoteWsdlArtifact(remoteRepos, wsdlArtifact);
if (wsdlArtifact != null) {
File supposedFile = wsdlArtifact.getFile();
if (!supposedFile.exists() || !supposedFile.isFile()) {
getLog().info("Apparent Maven bug: wsdl artifact 'resolved' to "
+ supposedFile.getAbsolutePath() + " for " + wsdlArtifact.toString());
continue;
}
String path = supposedFile.getAbsolutePath();
getLog().info("Resolved WSDL artifact to file " + path);
wsdlOption.setWsdl(path);
}
}
}
private void configureProxyServerSettings() throws MojoExecutionException {
Proxy proxy = mavenSession.getSettings().getActiveProxy();
if (proxy != null) {
getLog().info("Using proxy server configured in maven.");
if (proxy.getHost() == null) {
throw new MojoExecutionException("Proxy in settings.xml has no host");
} else {
System.setProperty("proxySet", "true");
System.setProperty("proxyHost", proxy.getHost());
System.setProperty("proxyPort", String.valueOf(proxy.getPort()));
}
}
}
public void execute() throws MojoExecutionException {
if (includes == null) {
includes = new String[] {
"*.wsdl"
};
}
defaultOptions.addDefaultBindingFileIfExists(project.getBasedir());
File classesDir = new File(classesDirectory);
classesDir.mkdirs();
markerDirectory.mkdirs();
configureProxyServerSettings();
List<WsdlOption> effectiveWsdlOptions = createWsdlOptionsFromScansAndExplicitWsdlOptions();
if (effectiveWsdlOptions.size() == 0) {
getLog().info("Nothing to generate");
return;
}
ClassLoaderSwitcher classLoaderSwitcher = new ClassLoaderSwitcher(getLog());
boolean result = true;
Bus bus = null;
try {
Set<URI> cp = classLoaderSwitcher.switchClassLoader(project, useCompileClasspath, classesDir);
if ("once".equals(fork) || "true".equals(fork)) {
forkOnce(cp, effectiveWsdlOptions);
} else {
for (WsdlOption o : effectiveWsdlOptions) {
bus = callWsdl2Java(o, bus, cp);
File dirs[] = o.getDeleteDirs();
if (dirs != null) {
for (int idx = 0; idx < dirs.length; ++idx) {
result = result && deleteDir(dirs[idx]);
}
}
}
}
} finally {
// cleanup as much as we can.
if (bus != null) {
bus.shutdown(true);
}
classLoaderSwitcher.restoreClassLoader();
}
if (project != null && sourceRoot != null && sourceRoot.exists()) {
project.addCompileSourceRoot(sourceRoot.getAbsolutePath());
}
if (project != null && testSourceRoot != null && testSourceRoot.exists()) {
project.addTestCompileSourceRoot(testSourceRoot.getAbsolutePath());
}
System.gc();
}
private void addPluginArtifact(Set<URI> artifactsPath) {
//for Maven 2.x, the actual artifact isn't in the list.... need to try and find it
URL url = getClass().getResource(getClass().getSimpleName() + ".class");
try {
if ("jar".equals(url.getProtocol())) {
String s = url.getPath();
if (s.contains("!")) {
s = s.substring(0, s.indexOf('!'));
url = new URL(s);
}
}
URI uri = new URI(url.getProtocol(), null, url.getPath(), null, null);
if (uri.getSchemeSpecificPart().endsWith(".class")) {
String s = uri.toString();
s = s.substring(0, s.length() - 6 - getClass().getName().length());
uri = new URI(s);
}
File file = new File(uri);
if (file.exists()) {
artifactsPath.add(file.toURI());
}
} catch (Exception ex) {
//ex.printStackTrace();
}
}
private void forkOnce(Set<URI> classPath, List<WsdlOption> effectiveWsdlOptions)
throws MojoExecutionException {
List<WsdlOption> toDo = new LinkedList<WsdlOption>();
List<List<String>> wargs = new LinkedList<List<String>>();
for (WsdlOption wsdlOption : effectiveWsdlOptions) {
File outputDirFile = wsdlOption.getOutputDir();
outputDirFile.mkdirs();
URI basedir = project.getBasedir().toURI();
URI wsdlURI = wsdlOption.getWsdlURI(basedir);
File doneFile = getDoneFile(basedir, wsdlURI);
if (!shouldRun(wsdlOption, doneFile, wsdlURI)) {
continue;
}
doneFile.delete();
toDo.add(wsdlOption);
wargs.add(wsdlOption.generateCommandLine(outputDirFile, basedir, wsdlURI, getLog()
.isDebugEnabled()));
}
if (wargs.isEmpty()) {
return;
}
Set<URI> artifactsPath = new LinkedHashSet<URI>();
for (Artifact a : pluginArtifacts) {
File file = a.getFile();
if (file == null) {
throw new MojoExecutionException("Unable to find " + file + " for artifact "
+ a.getGroupId() + ":" + a.getArtifactId()
+ ":" + a.getVersion());
}
artifactsPath.add(file.toURI());
}
addPluginArtifact(artifactsPath);
artifactsPath.addAll(classPath);
String args[] = createForkOnceArgs(wargs);
runForked(artifactsPath, ForkOnceWSDL2Java.class, args);
for (WsdlOption wsdlOption : toDo) {
File dirs[] = wsdlOption.getDeleteDirs();
if (dirs != null) {
for (int idx = 0; idx < dirs.length; ++idx) {
deleteDir(dirs[idx]);
}
}
URI basedir = project.getBasedir().toURI();
URI wsdlURI = wsdlOption.getWsdlURI(basedir);
File doneFile = getDoneFile(basedir, wsdlURI);
try {
doneFile.createNewFile();
} catch (Throwable e) {
getLog().warn("Could not create marker file " + doneFile.getAbsolutePath());
getLog().debug(e);
}
}
}
private String[] createForkOnceArgs(List<List<String>> wargs) throws MojoExecutionException {
try {
File f = FileUtils.createTempFile("cxf-w2j", "args");
PrintWriter fw = new PrintWriter(new FileWriter(f));
for (List<String> args : wargs) {
fw.println(Integer.toString(args.size()));
for (String s : args) {
fw.println(s);
}
}
fw.println("-1");
fw.close();
return new String[] {f.getAbsolutePath()};
} catch (IOException ex) {
throw new MojoExecutionException("Could not create argument file", ex);
}
}
private Bus callWsdl2Java(WsdlOption wsdlOption,
Bus bus,
Set<URI> classPath) throws MojoExecutionException {
File outputDirFile = wsdlOption.getOutputDir();
outputDirFile.mkdirs();
URI basedir = project.getBasedir().toURI();
URI wsdlURI = wsdlOption.getWsdlURI(basedir);
File doneFile = getDoneFile(basedir, wsdlURI);
if (!shouldRun(wsdlOption, doneFile, wsdlURI)) {
return bus;
}
doneFile.delete();
List<String> list = wsdlOption.generateCommandLine(outputDirFile, basedir, wsdlURI, getLog()
.isDebugEnabled());
String[] args = (String[])list.toArray(new String[list.size()]);
getLog().debug("Calling wsdl2java with args: " + Arrays.toString(args));
if (!"false".equals(fork)) {
Set<URI> artifactsPath = new LinkedHashSet<URI>();
for (Artifact a : pluginArtifacts) {
File file = a.getFile();
if (file == null) {
throw new MojoExecutionException("Unable to find " + file + " for artifact "
+ a.getGroupId() + ":" + a.getArtifactId()
+ ":" + a.getVersion());
}
artifactsPath.add(file.toURI());
}
addPluginArtifact(artifactsPath);
artifactsPath.addAll(classPath);
runForked(artifactsPath, WSDLToJava.class, args);
} else {
if (bus == null) {
bus = BusFactory.newInstance().createBus();
BusFactory.setThreadDefaultBus(bus);
}
try {
new WSDLToJava(args).run(new ToolContext());
} catch (Throwable e) {
getLog().debug(e);
throw new MojoExecutionException(e.getMessage(), e);
}
}
try {
doneFile.createNewFile();
} catch (Throwable e) {
getLog().warn("Could not create marker file " + doneFile.getAbsolutePath());
getLog().debug(e);
}
return bus;
}
private File getJavaExecutable() throws IOException {
String exe = (SystemUtils.IS_OS_WINDOWS && !javaExecutable.endsWith(".exe")) ? ".exe" : "";
File javaExe = new File(javaExecutable + exe);
if (!javaExe.isFile()) {
throw new IOException("The java executable '" + javaExe
+ "' doesn't exist or is not a file. Verify the <javaExecutable/> parameter.");
}
return javaExe;
}
private void runForked(Set<URI> classPath, Class cls, String[] args) throws MojoExecutionException {
getLog().info("Running wsdl2java in fork mode...");
getLog().debug("Running wsdl2java in fork mode with args " + Arrays.asList(args));
Commandline cmd = new Commandline();
cmd.getShell().setQuotedArgumentsEnabled(false); // for JVM args
cmd.setWorkingDirectory(project.getBuild().getDirectory());
try {
cmd.setExecutable(getJavaExecutable().getAbsolutePath());
} catch (IOException e) {
getLog().debug(e);
throw new MojoExecutionException(e.getMessage(), e);
}
cmd.createArg().setLine(additionalJvmArgs);
File file = null;
try {
//file = new File("/tmp/test.jar");
file = FileUtils.createTempFile("cxf-codegen", ".jar");
JarArchiver jar = new JarArchiver();
jar.setDestFile(file.getAbsoluteFile());
Manifest manifest = new Manifest();
Attribute attr = new Attribute();
attr.setName("Class-Path");
StringBuilder b = new StringBuilder(8000);
for (URI cp : classPath) {
b.append(cp.toURL().toExternalForm()).append(' ');
}
attr.setValue(b.toString());
manifest.getMainSection().addConfiguredAttribute(attr);
attr = new Attribute();
attr.setName("Main-Class");
attr.setValue(cls.getName());
manifest.getMainSection().addConfiguredAttribute(attr);
jar.addConfiguredManifest(manifest);
jar.createArchive();
cmd.createArg().setValue("-jar");
cmd.createArg().setValue(file.getAbsolutePath());
} catch (Exception e1) {
throw new MojoExecutionException("Could not create runtime jar", e1);
}
cmd.addArguments(args);
CommandLineUtils.StringStreamConsumer err = new CommandLineUtils.StringStreamConsumer();
CommandLineUtils.StringStreamConsumer out = new CommandLineUtils.StringStreamConsumer();
int exitCode;
try {
exitCode = CommandLineUtils.executeCommandLine(cmd, out, err);
} catch (CommandLineException e) {
getLog().debug(e);
throw new MojoExecutionException(e.getMessage(), e);
}
String output = StringUtils.isEmpty(out.getOutput()) ? null : '\n' + out.getOutput().trim();
String cmdLine = CommandLineUtils.toString(cmd.getCommandline());
if (exitCode != 0) {
if (StringUtils.isNotEmpty(output)) {
getLog().info(output);
}
StringBuffer msg = new StringBuffer("\nExit code: ");
msg.append(exitCode);
if (StringUtils.isNotEmpty(err.getOutput())) {
msg.append(" - ").append(err.getOutput());
}
msg.append('\n');
msg.append("Command line was: ").append(cmdLine).append('\n').append('\n');
throw new MojoExecutionException(msg.toString());
}
if (file != null) {
file.delete();
}
if (StringUtils.isNotEmpty(err.getOutput()) && err.getOutput().contains("WSDL2Java Error")) {
StringBuffer msg = new StringBuffer();
msg.append(err.getOutput());
msg.append('\n');
msg.append("Command line was: ").append(cmdLine).append('\n').append('\n');
throw new MojoExecutionException(msg.toString());
}
}
private File getDoneFile(URI basedir, URI wsdlURI) {
String doneFileName = wsdlURI.toString();
// Strip the basedir from the doneFileName
if (doneFileName.startsWith(basedir.toString())) {
doneFileName = doneFileName.substring(basedir.toString().length());
}
// If URL to WSDL, replace ? and & since they're invalid chars for file names
// Not to mention slashes.
doneFileName = doneFileName.replace('?', '_').replace('&', '_').replace('/', '_').replace('\\', '_')
.replace(':', '_');
return new File(markerDirectory, "." + doneFileName + ".DONE");
}
/**
* Determine if code should be generated from the given wsdl
*
* @param wsdlOption
* @param doneFile
* @param wsdlURI
* @return
*/
private boolean shouldRun(WsdlOption wsdlOption, File doneFile, URI wsdlURI) {
long timestamp = 0;
if ("file".equals(wsdlURI.getScheme())) {
timestamp = new File(wsdlURI).lastModified();
} else {
try {
timestamp = wsdlURI.toURL().openConnection().getDate();
} catch (Exception e) {
// ignore
}
}
boolean doWork = false;
if (!doneFile.exists()) {
doWork = true;
} else if (timestamp > doneFile.lastModified()) {
doWork = true;
} else if (wsdlOption.isDefServiceName()) {
doWork = true;
} else {
File files[] = wsdlOption.getDependencies();
if (files != null) {
for (int z = 0; z < files.length; ++z) {
if (files[z].lastModified() > doneFile.lastModified()) {
doWork = true;
}
}
}
}
return doWork;
}
/**
* Recursively delete the given directory
*
* @param f
* @return
*/
private boolean deleteDir(File f) {
if (f.isDirectory()) {
File files[] = f.listFiles();
for (int idx = 0; idx < files.length; ++idx) {
deleteDir(files[idx]);
}
}
if (f.exists()) {
return f.delete();
}
return true;
}
}