|
What this is
This file is included in the DevDaily.com
"Java Source Code
Warehouse" project. The intent of this project is to help you "Learn
Java by Example" TM.
Other links
The source code
/*
* Sun Public License Notice
*
* The contents of this file are subject to the Sun Public License
* Version 1.0 (the "License"). You may not use this file except in
* compliance with the License. A copy of the License is available at
* http://www.sun.com/
*
* The Original Code is NetBeans. The Initial Developer of the Original
* Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
* Microsystems, Inc. All Rights Reserved.
*/
package org.netbeans.modules.ant.freeform.ui;
import java.awt.Component;
import java.io.BufferedReader;
import java.io.File;
import java.io.InputStreamReader;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.netbeans.modules.ant.freeform.FreeformProjectGenerator;
import org.openide.ErrorManager;
import org.openide.WizardDescriptor;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileStateInvalidException;
import org.openide.filesystems.FileUtil;
import org.openide.util.HelpCtx;
/**
* @author Radko Najman
*/
public class WebLocationsWizardPanel implements WizardDescriptor.Panel {
private WebLocationsPanel component;
private WizardDescriptor wizardDescriptor;
private File baseFolder;
public WebLocationsWizardPanel() {
}
public Component getComponent() {
if (component == null) {
component = new WebLocationsPanel();
}
return component;
}
public HelpCtx getHelp() {
return new HelpCtx( WebLocationsWizardPanel.class );
}
public boolean isValid() {
getComponent();
return true;
}
private final Set/**/ listeners = new HashSet(1);
public final void addChangeListener(ChangeListener l) {
synchronized (listeners) {
listeners.add(l);
}
}
public final void removeChangeListener(ChangeListener l) {
synchronized (listeners) {
listeners.remove(l);
}
}
protected final void fireChangeEvent() {
Iterator it;
synchronized (listeners) {
it = new HashSet(listeners).iterator();
}
ChangeEvent ev = new ChangeEvent(this);
while (it.hasNext()) {
((ChangeListener)it.next()).stateChanged(ev);
}
}
public void readSettings(Object settings) {
wizardDescriptor = (WizardDescriptor) settings;
wizardDescriptor.putProperty("NewProjectWizard_Title", component.getClientProperty("NewProjectWizard_Title")); // NOI18N
//guess webapps well-known locations and preset them
ProjectModel pm = (ProjectModel)wizardDescriptor.getProperty(NewJ2SEFreeformProjectWizardIterator.PROP_PROJECT_MODEL);
File baseFolder = pm.getBaseFolder();
File nbProjectFolder = pm.getNBProjectFolder();
final String webPages;
final String srcPackages;
if(baseFolder.equals(this.baseFolder)) {
webPages = component.getWebPagesLocation().getAbsolutePath();
srcPackages = component.getSrcPackagesLocation().getAbsolutePath();
} else {
this.baseFolder = baseFolder;
FileObject fo = FileUtil.toFileObject(baseFolder);
if (fo != null) {
webPages = guessDocBase(fo);
srcPackages = guessJavaRoot(fo);
} else {
webPages = ""; // NOI18N
srcPackages = ""; // NOI18N
}
}
component.setFolders(baseFolder, nbProjectFolder);
component.setWebPages(webPages);
component.setSrcPackages(srcPackages);
}
public void storeSettings(Object settings) {
wizardDescriptor = (WizardDescriptor) settings;
wizardDescriptor.putProperty(NewWebFreeformProjectWizardIterator.PROP_WEB_WEBMODULES, component.getWebModules());
List l = component.getJavaSrcFolder();
// at the moment there is always just one item
assert l.size() == 1;
ProjectModel pm = (ProjectModel) wizardDescriptor.getProperty(NewJ2SEFreeformProjectWizardIterator.PROP_PROJECT_MODEL);
pm.clearSourceFolders();
pm.addSourceFolder((FreeformProjectGenerator.SourceFolder)l.get(0));
wizardDescriptor.putProperty(NewWebFreeformProjectWizardIterator.PROP_WEB_SOURCE_FOLDERS, component.getWebSrcFolder());
wizardDescriptor.putProperty("NewProjectWizard_Title", null); // NOI18N
}
private String guessDocBase (FileObject dir) {
Enumeration ch = dir.getChildren (true);
while (ch.hasMoreElements ()) {
FileObject f = (FileObject) ch.nextElement ();
if (f.isFolder () && f.getName ().equals ("WEB-INF")) { // NOI18N
if (f.getFileObject ("web.xml").isData ()) { // NOI18N
return FileUtil.toFile(f.getParent()).getAbsolutePath();
}
}
}
return ""; // NOI18N
}
private String guessJavaRoot (FileObject dir) {
Enumeration ch = dir.getChildren (true);
try {
while (ch.hasMoreElements ()) {
FileObject f = (FileObject) ch.nextElement ();
if (f.getExt ().equals ("java")) { // NOI18N
String pckg = guessPackageName (f);
String pkgPath = f.getParent ().getPath ();
if (pckg != null && pkgPath.endsWith (pckg.replace ('.', '/'))) {
String rootName = pkgPath.substring (0, pkgPath.length () - pckg.length ());
return FileUtil.toFile(f.getFileSystem().findResource(rootName)).getAbsolutePath();
}
}
}
} catch (FileStateInvalidException fsie) {
ErrorManager.getDefault ().notify (ErrorManager.INFORMATIONAL, fsie);
}
return ""; // NOI18N
}
private String guessPackageName (FileObject f) {
java.io.Reader r = null;
try {
r = new BufferedReader (new InputStreamReader (f.getInputStream (), "utf-8")); // NOI18N
StringBuffer sb = new StringBuffer ();
final char[] BUFFER = new char[4096];
int len;
for (;;) {
len = r.read (BUFFER);
if (len == -1) break;
sb.append (BUFFER, 0, len);
}
int idx = sb.indexOf ("package"); // NOI18N
if (idx >= 0) {
int idx2 = sb.indexOf (";", idx); // NOI18N
if (idx2 >= 0) {
return sb.substring (idx + "package".length (), idx2).trim (); // NOI18N
}
}
} catch (java.io.IOException ioe) {
ErrorManager.getDefault ().notify (ErrorManager.INFORMATIONAL, ioe);
} finally {
try { if (r != null) r.close (); } catch (java.io.IOException ioe) { // ignore this
}
}
return null;
}
}
|