/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
* License. You can obtain a copy of the License at
* http://www.netbeans.org/cddl-gplv2.html
* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
* specific language governing permissions and limitations under the
* License. When distributing the software, include this License Header
* Notice in each file and include the License file at
* nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the
* License Header, with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Contributor(s):
*
* The Original Software is NetBeans. The Initial Developer of the Original
* Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
* Microsystems, Inc. All Rights Reserved.
*
* If you wish your version of this file to be governed by only the CDDL
* or only the GPL Version 2, indicate your decision by adding
* "[Contributor] elects to include this software in this distribution
* under the [CDDL or GPL Version 2] license." If you do not indicate a
* single choice of license, a recipient has the option to distribute
* your version of this file under either the CDDL, the GPL Version 2 or
* to extend the choice of license to its licensees as provided above.
* However, if you add GPL Version 2 code and therefore, elected the GPL
* Version 2 license, then the option applies only if the new code is
* made subject to such option by the copyright holder.
*/
package org.netbeans.modules.ruby.rubyproject.classpath;
import java.beans.PropertyChangeEvent;
import java.util.regex.Pattern;
import org.netbeans.api.ruby.platform.RubyInstallation;
import org.netbeans.modules.gsfpath.spi.classpath.ClassPathImplementation;
import org.netbeans.modules.gsfpath.spi.classpath.PathResourceImplementation;
import org.netbeans.modules.gsfpath.spi.classpath.support.ClassPathSupport;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.net.URL;
import java.util.List;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.PatternSyntaxException;
import org.netbeans.api.ruby.platform.RubyPlatform;
import org.netbeans.api.ruby.platform.RubyPlatformProvider;
import org.netbeans.modules.ruby.platform.gems.GemManager;
import org.netbeans.modules.ruby.spi.project.support.rake.PropertyEvaluator;
import org.openide.util.Exceptions;
import org.openide.util.WeakListeners;
final class BootClassPathImplementation implements ClassPathImplementation, PropertyChangeListener {
private static final Logger LOGGER = Logger.getLogger(BootClassPathImplementation.class.getName());
private static final Pattern GEM_EXCLUDE_FILTER;
private static final Pattern GEM_INCLUDE_FILTER;
static {
String userExcludes = System.getProperty("ruby.prj.excludegems");
if (userExcludes == null) {
// activerecord? Apparently often used outside of Rails
String deflt = "^(rails|action[a-z]+|activesupport)-\\d+\\.\\d+\\.\\d+(-\\S+)?$"; // NOI18N
GEM_EXCLUDE_FILTER = Pattern.compile(deflt);
} else if ("none".equals(userExcludes)) {
GEM_EXCLUDE_FILTER = null;
} else {
Pattern p;
try {
p = Pattern.compile(userExcludes);
} catch (PatternSyntaxException pse) {
Logger.getAnonymousLogger().log(Level.WARNING,"Invalid regular expression: " + userExcludes);
Logger.getAnonymousLogger().log(Level.WARNING, pse.toString());
p = null;
}
GEM_EXCLUDE_FILTER = p;
}
String userIncludes = System.getProperty("ruby.prj.includegems");
if (userIncludes == null || "all".equals(userIncludes)) {
GEM_INCLUDE_FILTER = null;
} else {
Pattern p;
try {
p = Pattern.compile(userIncludes);
} catch (PatternSyntaxException pse) {
Logger.getAnonymousLogger().log(Level.WARNING,"Invalid regular expression: " + userIncludes);
Logger.getAnonymousLogger().log(Level.WARNING, pse.toString());
p = null;
}
GEM_INCLUDE_FILTER = p;
}
}
// private static final String PLATFORM_ACTIVE = "platform.active"; //NOI18N
// private static final String ANT_NAME = "platform.ant.name"; //NOI18N
// private static final String J2SE = "j2se"; //NOI18N
private final PropertyEvaluator evaluator;
// private JavaPlatformManager platformManager;
//name of project active platform
private String activePlatformName;
//active platform is valid (not broken reference)
private boolean isActivePlatformValid;
private List<PathResourceImplementation> resourcesCache;
private PropertyChangeSupport support = new PropertyChangeSupport(this);
public BootClassPathImplementation(PropertyEvaluator evaluator) {
if (evaluator != null) {
assert evaluator != null;
this.evaluator = evaluator;
evaluator.addPropertyChangeListener(WeakListeners.propertyChange(this, evaluator));
} else {
this.evaluator = null;
}
}
public synchronized List<PathResourceImplementation> getResources() {
if (this.resourcesCache == null) {
// JavaPlatform jp = findActivePlatform ();
// if (jp != null) {
//TODO: May also listen on CP, but from Platform it should be fixed.
List<PathResourceImplementation> result = new ArrayList<PathResourceImplementation>();
RubyPlatform platform = new RubyPlatformProvider(evaluator).getPlatform();
if (platform == null) {
LOGGER.severe("Cannot resolve platform for project");
}
if (!platform.hasRubyGemsInstalled()) {
LOGGER.fine("Not RubyGems installed, returning empty result");
return Collections.emptyList();
}
// the rest of code depend on RubyGems to be installed
GemManager gemManager = getGemManager();
assert gemManager != null : "not null when RubyGems are installed";
for (URL url : gemManager.getNonGemLoadPath()) {
result.add(ClassPathSupport.createResource(url));
}
Map<String,URL> gemUrls = gemManager.getGemUrls();
Pattern includeFilter = GEM_INCLUDE_FILTER;
Pattern excludeFilter = GEM_EXCLUDE_FILTER;
String include = evaluator.getProperty("ruby.includegems");
String exclude = evaluator.getProperty("ruby.excludegems");
try {
if (include != null && include.length() > 0) {
includeFilter = Pattern.compile(include);
}
if (exclude != null && exclude.length() > 0) {
excludeFilter = Pattern.compile(exclude);
}
} catch (PatternSyntaxException pse) {
Exceptions.printStackTrace(pse);
}
for (URL url : gemUrls.values()) {
if (includeFilter != null) {
String gem = getGemName(url);
if (includeFilter.matcher(gem).find()) {
result.add(ClassPathSupport.createResource(url));
continue;
}
}
if (excludeFilter != null) {
String gem = getGemName(url);
if (excludeFilter.matcher(gem).find()) {
continue;
}
}
result.add(ClassPathSupport.createResource(url));
}
resourcesCache = Collections.unmodifiableList (result);
// XXX
// RubyInstallation.getInstance().removePropertyChangeListener(this);
// RubyInstallation.getInstance().addPropertyChangeListener(this);
}
return this.resourcesCache;
}
private static String getGemName(URL gemUrl) {
String urlString = gemUrl.getFile();
if (urlString.endsWith("/lib/")) {
urlString = urlString.substring(urlString.lastIndexOf('/', urlString.length()-6)+1,
urlString.length()-5);
}
return urlString;
}
public void addPropertyChangeListener(PropertyChangeListener listener) {
this.support.addPropertyChangeListener (listener);
}
public void removePropertyChangeListener(PropertyChangeListener listener) {
this.support.removePropertyChangeListener (listener);
}
// private JavaPlatform findActivePlatform () {
// if (this.platformManager == null) {
// this.platformManager = JavaPlatformManager.getDefault();
// this.platformManager.addPropertyChangeListener(WeakListeners.propertyChange(this, this.platformManager));
// }
// this.activePlatformName = evaluator.getProperty(PLATFORM_ACTIVE);
// final JavaPlatform activePlatform = RubyProjectUtil.getActivePlatform (this.activePlatformName);
// this.isActivePlatformValid = activePlatform != null;
// return activePlatform;
// }
//
public void propertyChange(PropertyChangeEvent evt) {
if (evt.getSource() == RubyInstallation.getInstance() && evt.getPropertyName().equals("roots")) {
resetCache();
}
// if (evt.getSource() == this.evaluator && evt.getPropertyName().equals(PLATFORM_ACTIVE)) {
// //Active platform was changed
// resetCache ();
// }
// else if (evt.getSource() == this.platformManager && JavaPlatformManager.PROP_INSTALLED_PLATFORMS.equals(evt.getPropertyName()) && activePlatformName != null) {
// //Platform definitions were changed, check if the platform was not resolved or deleted
// if (this.isActivePlatformValid) {
// if (RubyProjectUtil.getActivePlatform (this.activePlatformName) == null) {
// //the platform was not removed
// this.resetCache();
// }
// }
// else {
// if (RubyProjectUtil.getActivePlatform (this.activePlatformName) != null) {
// this.resetCache();
// }
// }
// }
}
private GemManager getGemManager() {
// TODO: cache it(?)
return new RubyPlatformProvider(evaluator).getPlatform().getGemManager();
}
/**
* Resets the cache and firesPropertyChange
*/
private void resetCache () {
synchronized (this) {
resourcesCache = null;
}
support.firePropertyChange(PROP_RESOURCES, null, null);
}
}
|