/*******************************************************************************
*
* Copyright (c) 2004-2010 Oracle Corporation.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*
* Kohsuke Kawaguchi
*
*
*******************************************************************************/
package hudson.model;
import hudson.util.StreamTaskListener;
import hudson.util.NullStream;
import hudson.util.FormValidation;
import hudson.Launcher;
import hudson.Extension;
import hudson.EnvVars;
import hudson.slaves.NodeSpecific;
import hudson.tools.ToolInstallation;
import hudson.tools.ToolDescriptor;
import hudson.tools.ToolProperty;
import hudson.tools.JDKInstaller;
import hudson.util.XStream2;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import java.util.List;
import java.util.Arrays;
import java.util.Collections;
import org.kohsuke.stapler.DataBoundConstructor;
import org.kohsuke.stapler.QueryParameter;
/**
* Information about JDK installation.
*
* @author Kohsuke Kawaguchi
*/
public final class JDK extends ToolInstallation implements NodeSpecific<JDK>, EnvironmentSpecific<JDK> {
/**
* @deprecated since 2009-02-25
*/
@Deprecated // kept for backward compatibility - use getHome() instead
private transient String javaHome;
public JDK(String name, String javaHome) {
super(name, javaHome, Collections.<ToolProperty<?>>emptyList());
}
@DataBoundConstructor
public JDK(String name, String home, List<? extends ToolProperty<?>> properties) {
super(name, home, properties);
}
/**
* install directory.
*
* @deprecated as of 1.304 Use {@link #getHome()}
*/
public String getJavaHome() {
return getHome();
}
/**
* Gets the path to the bin directory.
*/
public File getBinDir() {
return new File(getHome(), "bin");
}
/**
* Gets the path to 'java'.
*/
public File getExecutable() {
String execName = (File.separatorChar == '\\') ? "java.exe" : "java";
return new File(getHome(), "bin/" + execName);
}
/**
* Returns true if the executable exists.
*/
public boolean getExists() {
return getExecutable().exists();
}
/**
* Sets PATH and JAVA_HOME from this JDK.
*/
public void buildEnvVars(Map<String, String> env) {
// see EnvVars javadoc for why this adss PATH.
env.put("PATH+JDK", getHome() + "/bin");
env.put("JAVA_HOME", getHome());
}
public JDK forNode(Node node, TaskListener log) throws IOException, InterruptedException {
return new JDK(getName(), translateFor(node, log));
}
public JDK forEnvironment(EnvVars environment) {
return new JDK(getName(), environment.expand(getHome()));
}
/**
* Checks if "java" is in PATH on the given node.
*
* <p> If it's not, then the user must specify a configured JDK, so this is
* often useful for form field validation.
*/
public static boolean isDefaultJDKValid(Node n) {
try {
TaskListener listener = new StreamTaskListener(new NullStream());
Launcher launcher = n.createLauncher(listener);
return launcher.launch().cmds("java", "-fullversion").stdout(listener).join() == 0;
} catch (IOException e) {
return false;
} catch (InterruptedException e) {
return false;
}
}
@Extension
public static class DescriptorImpl extends ToolDescriptor<JDK> {
public String getDisplayName() {
return "JDK"; // XXX I18N
}
@Override
public JDK[] getInstallations() {
return Hudson.getInstance().getJDKs().toArray(new JDK[Hudson.getInstance().getJDKs().size()]);
}
// this isn't really synchronized well since the list is Hudson.jdks :(
@Override
public synchronized void setInstallations(JDK... jdks) {
List<JDK> list = Hudson.getInstance().getJDKs();
list.clear();
list.addAll(Arrays.asList(jdks));
}
@Override
public List<JDKInstaller> getDefaultInstallers() {
return Collections.singletonList(new JDKInstaller(null, false));
}
/**
* Checks if the JAVA_HOME is a valid JAVA_HOME path.
*/
public FormValidation doCheckHome(@QueryParameter File value) {
// this can be used to check the existence of a file on the server, so needs to be protected
Hudson.getInstance().checkPermission(Hudson.ADMINISTER);
if (value.getPath().equals("")) {
return FormValidation.ok();
}
if (!value.isDirectory()) {
return FormValidation.error(Messages.Hudson_NotADirectory(value));
}
File toolsJar = new File(value, "lib/tools.jar");
File mac = new File(value, "lib/dt.jar");
if (!toolsJar.exists() && !mac.exists()) {
return FormValidation.error(Messages.Hudson_NotJDKDir(value));
}
return FormValidation.ok();
}
public FormValidation doCheckName(@QueryParameter String value) {
return FormValidation.validateRequired(value);
}
}
public static class ConverterImpl extends ToolConverter {
public ConverterImpl(XStream2 xstream) {
super(xstream);
}
@Override
protected String oldHomeField(ToolInstallation obj) {
return ((JDK) obj).javaHome;
}
}
}