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/*******************************************************************************
* Copyright (c) 2003, 2008 IBM Corporation and others.
* 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:
* IBM Corporation - Initial API and implementation
*******************************************************************************/
package org.eclipse.jst.server.tomcat.core.internal;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.*;
import org.eclipse.jst.server.core.IWebModule;
import org.eclipse.osgi.util.NLS;
import org.eclipse.wst.server.core.IModule;
import org.eclipse.wst.server.core.ServerPort;
/**
* Generic Tomcat server configuration.
*/
public abstract class TomcatConfiguration implements ITomcatConfiguration, ITomcatConfigurationWorkingCopy {
public static final String NAME_PROPERTY = "name";
public static final String PORT_PROPERTY = "port";
public static final String MODIFY_PORT_PROPERTY = "modifyPort";
public static final String ADD_MAPPING_PROPERTY = "addMapping";
public static final String REMOVE_MAPPING_PROPERTY = "removeMapping";
public static final String MODIFY_MAPPING_PROPERTY = "modifyMapping";
public static final String MODIFY_WEB_MODULE_PROPERTY = "modifyWebModule";
public static final String ADD_WEB_MODULE_PROPERTY = "addWebModule";
public static final String REMOVE_WEB_MODULE_PROPERTY = "removeWebModule";
protected IFolder configPath;
// property change listeners
private transient List propertyListeners;
/**
* TomcatConfiguration constructor.
*
* @param path a path
*/
public TomcatConfiguration(IFolder path) {
super();
this.configPath = path;
/*try {
load(configPath, new NullProgressMonitor());
} catch (Exception e) {
// ignore
}*/
}
protected IFolder getFolder() {
return configPath;
}
/**
* Copies all files from the given directory in the workbench
* to the given location. Can be overridden by version specific
* class to modify or enhance what publish does.
*
* @param tomcatDir Destination tomcat directory. Equivalent to catalina.base
* for Tomcat 4.x and up.
* @param doBackup Backup existing configuration files (true if not test mode).
* @param monitor Progress monitor to use
* @return result of operation
*/
protected IStatus backupAndPublish(IPath tomcatDir, boolean doBackup, IProgressMonitor monitor) {
MultiStatus ms = new MultiStatus(TomcatPlugin.PLUGIN_ID, 0, Messages.publishConfigurationTask, null);
if (Trace.isTraceEnabled())
Trace.trace(Trace.FINER, "Backup and publish");
monitor = ProgressUtil.getMonitorFor(monitor);
try {
IPath backup = null;
if (doBackup) {
// create backup directory
backup = tomcatDir.append("backup");
if (!backup.toFile().exists())
backup.toFile().mkdir();
}
backupFolder(getFolder(), tomcatDir.append("conf"), backup, ms, monitor);
} catch (Exception e) {
Trace.trace(Trace.SEVERE, "backupAndPublish() error", e);
IStatus s = new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, NLS.bind(Messages.errorPublishConfiguration, new String[] {e.getLocalizedMessage()}), e);
ms.add(s);
}
monitor.done();
return ms;
}
protected void backupFolder(IFolder folder, IPath confDir, IPath backup, MultiStatus ms, IProgressMonitor monitor) throws CoreException {
IResource[] children = folder.members();
if (children == null)
return;
int size = children.length;
monitor.beginTask(Messages.publishConfigurationTask, size * 100);
for (int i = 0; i < size; i++) {
if (children[i] instanceof IFile) {
try {
IFile file = (IFile) children[i];
String name = file.getName();
monitor.subTask(NLS.bind(Messages.publisherPublishTask, new String[] {name}));
if (Trace.isTraceEnabled())
Trace.trace(Trace.FINEST, "Publishing " + name);
// backup and copy file
boolean copy = true;
if (backup != null && !(backup.append(name).toFile().exists())) {
IStatus status = FileUtil.copyFile(confDir.append(name).toOSString(), backup + File.separator + name);
ms.add(status);
if (!status.isOK())
copy = false;
}
if (copy) {
String destPath = confDir.append(name).toOSString();
String destContents = null;
String srcContents = null;
File dest = new File(destPath);
if (dest.exists()) {
InputStream fis = new FileInputStream(destPath);
destContents = TomcatVersionHelper.getFileContents(fis);
if (destContents != null) {
fis = file.getContents();
srcContents = TomcatVersionHelper.getFileContents(fis);
}
}
if (destContents == null || srcContents == null || !srcContents.equals(destContents)) {
InputStream in = file.getContents();
ms.add(FileUtil.copyFile(in, destPath));
}
}
} catch (Exception e) {
Trace.trace(Trace.SEVERE, "backupAndPublish() error", e);
ms.add(new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, NLS.bind(Messages.errorPublishConfiguration, new String[] {e.getLocalizedMessage()}), e));
}
}
monitor.worked(100);
}
}
protected void backupPath(IPath path, IPath confDir, IPath backup, MultiStatus ms, IProgressMonitor monitor) {
File[] files = path.toFile().listFiles();
if (files == null)
return;
int size = files.length;
monitor.beginTask(Messages.publishConfigurationTask, size * 100);
for (int i = 0; i < size; i++) {
try {
File file = files[i];
String name = file.getName();
monitor.subTask(NLS.bind(Messages.publisherPublishTask, new String[] {name}));
if (Trace.isTraceEnabled())
Trace.trace(Trace.FINEST, "Publishing " + name);
// backup and copy file
boolean copy = true;
if (backup != null && !(backup.append(name).toFile().exists())) {
IStatus status = FileUtil.copyFile(confDir.append(name).toOSString(), backup + File.separator + name);
ms.add(status);
if (!status.isOK())
copy = false;
}
if (copy)
ms.add(FileUtil.copyFile(file.getAbsolutePath(), confDir.append(name).toOSString()));
} catch (Exception e) {
Trace.trace(Trace.SEVERE, "backupAndPublish() error", e);
ms.add(new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, NLS.bind(Messages.errorPublishConfiguration, new String[] {e.getLocalizedMessage()}), e));
}
monitor.worked(100);
}
}
protected IStatus publishContextConfig(IPath baseDir, IPath deployDir, IProgressMonitor monitor) {
// Default implementation assumes nothing to do
return Status.OK_STATUS;
}
protected IStatus updateContextsToServeDirectly(IPath baseDir, String loader, IProgressMonitor monitor) {
// Default implementation assumes nothing to do
return Status.OK_STATUS;
}
protected IStatus cleanupServer(IPath confDir, IPath installDir, boolean removeKeptContextFiles, IProgressMonitor monitor) {
// Default implementation assumes nothing to clean
return Status.OK_STATUS;
}
/**
* Make any local changes to the server configuration at the specified runtime
* base directory needed to complete publishing the server.
*
* @param baseDir runtime base directory for the server
* @param deployDir deployment directory for the server
* @param server server being localized
* @param monitor a progress monitor
* @return result of operation
*/
public abstract IStatus localizeConfiguration(IPath baseDir, IPath deployDir, TomcatServer server, IProgressMonitor monitor);
/**
* Returns the main server port.
* @return ServerPort
*/
public abstract ServerPort getMainPort();
/**
* Returns the prefix that is used in front of the
* web module path property. (e.g. "webapps")
*
* @return java.lang.String
*/
public String getDocBasePrefix() {
return "";
}
/**
* Returns the partial URL applicable to this module.
*
* @param webModule a web module
* @return the partial URL
*/
protected String getWebModuleURL(IModule webModule) {
WebModule module = getWebModule(webModule);
if (module != null)
return module.getPath();
IWebModule webModule2 = (IWebModule) webModule.loadAdapter(IWebModule.class, null);
return "/" + webModule2.getContextRoot();
}
/**
* Returns the given module from the config.
*
* @param module a web module
* @return a web module
*/
public WebModule getWebModule(IModule module) {
if (module == null)
return null;
String memento = module.getId();
List modules = getWebModules();
int size = modules.size();
for (int i = 0; i < size; i++) {
WebModule webModule = (WebModule) modules.get(i);
if (memento.equals(webModule.getMemento())) {
return webModule;
}
}
return null;
}
protected abstract void save(IFolder folder, IProgressMonitor monitor) throws CoreException;
protected void firePropertyChangeEvent(String propertyName, Object oldValue, Object newValue) {
if (propertyListeners == null)
return;
PropertyChangeEvent event = new PropertyChangeEvent(this, propertyName, oldValue, newValue);
try {
Iterator iterator = propertyListeners.iterator();
while (iterator.hasNext()) {
try {
PropertyChangeListener listener = (PropertyChangeListener) iterator.next();
listener.propertyChange(event);
} catch (Exception e) {
Trace.trace(Trace.SEVERE, "Error firing property change event", e);
}
}
} catch (Exception e) {
Trace.trace(Trace.SEVERE, "Error in property event", e);
}
}
/**
* Adds a property change listener to this server.
*
* @param listener java.beans.PropertyChangeListener
*/
public void addPropertyChangeListener(PropertyChangeListener listener) {
if (propertyListeners == null)
propertyListeners = new ArrayList();
propertyListeners.add(listener);
}
/**
* Removes a property change listener from this server.
*
* @param listener java.beans.PropertyChangeListener
*/
public void removePropertyChangeListener(PropertyChangeListener listener) {
if (propertyListeners != null)
propertyListeners.remove(listener);
}
public void importFromPath(IPath path, boolean isTestEnv, IProgressMonitor monitor) throws CoreException {
load(path, monitor);
}
/*public void importFromRuntime(IRuntime runtime, IProgressMonitor monitor) throws CoreException {
load(runtime.getLocation().append("conf"), monitor);
}*/
protected abstract void load(IPath path, IProgressMonitor monitor) throws CoreException;
protected abstract void load(IFolder folder, IProgressMonitor monitor) throws CoreException;
/**
* @see ITomcatConfigurationWorkingCopy#addWebModule(int, ITomcatWebModule)
*/
public abstract void addWebModule(int index, ITomcatWebModule module);
/**
* @see ITomcatConfigurationWorkingCopy#removeWebModule(int)
*/
public abstract void removeWebModule(int index);
/**
* Gets the work directory for the server.
*
* @param basePath path to server runtime directory
* @return path for the server's work directory
*/
public abstract IPath getServerWorkDirectory(IPath basePath);
/**
* Gets the work directory for the specified module on the
* server.
*
* @param basePath path to server runtime directory
* @param module a Tomcat web module
* @return path for the module's work directory on the server
*/
public abstract IPath getContextWorkDirectory(IPath basePath, ITomcatWebModule module);
/**
* Return a string representation of this object.
* @return java.lang.String
*/
public String toString() {
return "TomcatConfiguration[" + getFolder() + "]";
}
}