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/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.common.ui.internal.dialogfield;
import java.util.ArrayList;
import java.util.HashSet;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.ITypeHierarchy;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jst.jsf.common.ui.IFileFolderConstants;
/**
* @author mengbo
*/
public class JavaSearchScope implements IJavaSearchScope {
private IProject _project;
private String _superType;
private HashSet _allowedTypeSet;
private IPath[] _enclosingProjectsAndJars;
private IProject[] _relativeProjects;
public JavaSearchScope(IProject project, String superType) {
this._project = project;
this._superType = superType;
computeRelativeProjects();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jdt.core.search.IJavaSearchScope#enclosingProjectsAndJars()
*/
public IPath[] enclosingProjectsAndJars() {
if (_enclosingProjectsAndJars == null) {
ArrayList list = new ArrayList();
for (int i = 0; i < _relativeProjects.length; i++) {
try {
if (_relativeProjects[i].hasNature(JavaCore.NATURE_ID)) {
IJavaProject javaProject = JavaCore
.create(_relativeProjects[i]);
IClasspathEntry[] classpath = javaProject
.getResolvedClasspath(true);
for (int j = 0; j < classpath.length; j++) {
list.add(classpath[j].getPath());
}
list.add(javaProject.getPath());
}
} catch (CoreException e)// NOPMD
{
// skip the project.
}
}
_enclosingProjectsAndJars = (IPath[]) list.toArray(new IPath[(list
.size())]);
}
return _enclosingProjectsAndJars;
}
private void computeRelativeProjects() {
try {
IProject[] referencedProjects = _project.getReferencedProjects();
_relativeProjects = new IProject[referencedProjects.length + 1];
System.arraycopy(referencedProjects, 0, _relativeProjects, 1,
referencedProjects.length);
_relativeProjects[0] = _project;
} catch (CoreException e) {
_relativeProjects = new IProject[] { _project };
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jdt.core.search.IJavaSearchScope#encloses(java.lang.String)
*/
public boolean encloses(String resourcePath) {
if (_allowedTypeSet == null) {
try {
_allowedTypeSet = findAllowedTypes(_superType);
} catch (CoreException e) {
e.printStackTrace();
}
}
if (_allowedTypeSet == null) {
_allowedTypeSet = new HashSet();
}
int separatorIndex = resourcePath.indexOf(JAR_FILE_ENTRY_SEPARATOR);
if (separatorIndex != -1) {
String className = resourcePath.substring(separatorIndex + 1,
resourcePath.length() - 6).replace('/', '.');
if (_allowedTypeSet.contains(className)) {
return true;
}
} else if (_allowedTypeSet.contains(resourcePath)) {
return true;
}
return false;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jdt.core.search.IJavaSearchScope#encloses(org.eclipse.jdt.core.IJavaElement)
*/
public boolean encloses(IJavaElement element) {
return encloses(element.getPath().toString());
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jdt.core.search.IJavaSearchScope#includesBinaries()
*/
public boolean includesBinaries() {
return true;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jdt.core.search.IJavaSearchScope#includesClasspaths()
*/
public boolean includesClasspaths() {
return true;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jdt.core.search.IJavaSearchScope#setIncludesBinaries(boolean)
*/
public void setIncludesBinaries(boolean includesBinaries) {
// do nothing, includeBinaries always true
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jdt.core.search.IJavaSearchScope#setIncludesClasspaths(boolean)
*/
public void setIncludesClasspaths(boolean includesClasspaths) {
// do nothing, includeClasspaths always trues
}
private HashSet findAllowedTypes(String superType) throws CoreException {
HashSet set = new HashSet();
IProject[] projects = _relativeProjects;
for (int i = 0; i < projects.length; i++) {
IType type = null;
if (projects[i].hasNature(JavaCore.NATURE_ID)) {
IJavaProject javaProject = JavaCore.create(projects[i]);
if (superType != null) {
try {
type = javaProject.findType(superType);
if (type != null) {
ITypeHierarchy typeHierarchy = type
.newTypeHierarchy(javaProject, null);
IType[] subtypes = typeHierarchy
.getAllSubtypes(type);
for (int j = 0; j < subtypes.length; j++) {
if (!subtypes[j].isBinary()) {
set.add(subtypes[j].getPath().toString());
} else {
String path = subtypes[j].getPath()
.toString();
if (path != null
&& path
.endsWith(IFileFolderConstants.DOT
+ IFileFolderConstants.EXT_JAR)) {
set.add(subtypes[j]
.getFullyQualifiedName());
} else {
set.add(path);
}
}
}
}
} catch (JavaModelException e) {
e.printStackTrace();
}
}
}
}
return set;
}
/**
* @return Returns the superType.
*/
public String getSuperType() {
return _superType;
}
/**
* @param superType
* The superType to set.
*/
public void setSuperType(String superType) {
this._superType = superType;
}
}
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