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package org.netbeans.modules.ruby.merbproject.classpath;
import java.beans.PropertyChangeEvent;
import java.io.File;
import java.net.MalformedURLException;
import java.util.List;
import java.util.ArrayList;
import java.util.Collections;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.net.URL;
import org.netbeans.modules.ruby.merbproject.MerbSourceRoots;
import org.netbeans.modules.ruby.spi.project.support.rake.PropertyEvaluator;
import org.netbeans.modules.ruby.spi.project.support.rake.RakeProjectHelper;
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 org.openide.ErrorManager;
/**
* Implementation of a single classpath that is derived from one Ant property.
*/
final class SourcePathImplementation implements ClassPathImplementation, PropertyChangeListener {
private static final String PROP_BUILD_DIR = "build.dir"; //NOI18N
private final PropertyChangeSupport support = new PropertyChangeSupport(this);
private List<PathResourceImplementation> resources;
private final MerbSourceRoots sourceRoots;
private final RakeProjectHelper projectHelper;
private final PropertyEvaluator evaluator;
/**
* Construct the implementation.
* @param sourceRoots used to get the roots information and events
*/
public SourcePathImplementation(MerbSourceRoots sourceRoots) {
assert sourceRoots != null;
this.sourceRoots = sourceRoots;
this.projectHelper = null;
this.evaluator = null;
sourceRoots.addPropertyChangeListener (this);
}
/**
* Construct the implementation.
* @param sourceRoots used to get the roots information and events
* @param projectHelper used to obtain the project root
*/
public SourcePathImplementation(MerbSourceRoots sourceRoots, RakeProjectHelper projectHelper, PropertyEvaluator evaluator) {
assert sourceRoots != null && projectHelper != null && evaluator != null;
this.sourceRoots = sourceRoots;
sourceRoots.addPropertyChangeListener (this);
this.projectHelper = projectHelper;
this.evaluator = evaluator;
evaluator.addPropertyChangeListener (this);
}
public List<PathResourceImplementation> getResources() {
synchronized (this) {
if (this.resources != null) {
return this.resources;
}
}
URL[] roots = sourceRoots.getRootURLs();
synchronized (this) {
if (this.resources == null) {
List<PathResourceImplementation> result = new ArrayList<PathResourceImplementation>(roots.length);
for (URL root : roots) {
result.add(ClassPathSupport.createResource(root));
}
// adds java artifacts generated by wscompile and wsimport to resources to be available for code completion
if (projectHelper!=null) {
try {
String buildDir = this.evaluator.getProperty(PROP_BUILD_DIR);
if (buildDir != null) {
// generated/wsclient
File f = new File (this.projectHelper.resolveFile (buildDir),"generated/wsclient"); //NOI18N
URL url = f.toURI().toURL();
if (!f.exists()) { //NOI18N
assert !url.toExternalForm().endsWith("/"); //NOI18N
url = new URL (url.toExternalForm()+'/'); //NOI18N
}
result.add(ClassPathSupport.createResource(url));
// generated/wsimport/client
f = new File (projectHelper.resolveFile(buildDir),"generated/wsimport/client"); //NOI18N
url = f.toURI().toURL();
if (!f.exists()) { //NOI18N
assert !url.toExternalForm().endsWith("/"); //NOI18N
url = new URL (url.toExternalForm()+'/'); //NOI18N
}
result.add(ClassPathSupport.createResource(url));
}
} catch (MalformedURLException ex) {
ErrorManager.getDefault ().notify (ex);
}
}
this.resources = Collections.unmodifiableList(result);
}
return this.resources;
}
}
public void addPropertyChangeListener(PropertyChangeListener listener) {
support.addPropertyChangeListener (listener);
}
public void removePropertyChangeListener(PropertyChangeListener listener) {
support.removePropertyChangeListener (listener);
}
public void propertyChange(PropertyChangeEvent evt) {
if (MerbSourceRoots.PROP_ROOTS.equals (evt.getPropertyName())) {
synchronized (this) {
this.resources = null;
}
this.support.firePropertyChange (PROP_RESOURCES,null,null);
}
else if (this.evaluator != null && evt.getSource() == this.evaluator &&
(evt.getPropertyName() == null || PROP_BUILD_DIR.equals(evt.getPropertyName()))) {
synchronized (this) {
this.resources = null;
}
this.support.firePropertyChange (PROP_RESOURCES,null,null);
}
}
}