/*******************************************************************************
* Copyright (c) 2004, 2005 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.jsp.ui.internal.contentassist;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.search.IJavaSearchConstants;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.core.search.SearchPattern;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.jst.jsp.ui.internal.Logger;
import org.eclipse.wst.common.uriresolver.internal.util.URIHelper;
import org.eclipse.wst.sse.ui.internal.contentassist.CustomCompletionProposal;
import org.eclipse.wst.sse.ui.internal.contentassist.IRelevanceConstants;
/**
* @plannedfor 1.0
*/
public class JavaTypeFinder {
public static ICompletionProposal[] getBeanProposals(IResource resource, int replacementStart, int replacementLength) {
ICompletionProposal[] typeProposals = getTypeProposals(resource, replacementStart, replacementLength);
ICompletionProposal[] serialProposals = getSerializedProposals(resource, replacementStart, replacementLength);
ICompletionProposal[] beanProposals = new ICompletionProposal[typeProposals.length + serialProposals.length];
int i;
for (i = 0; i < serialProposals.length; i++) {
beanProposals[i] = serialProposals[i];
}
for (i = serialProposals.length; i < serialProposals.length + typeProposals.length; i++) {
beanProposals[i] = typeProposals[i - serialProposals.length];
}
return beanProposals;
}
private static void getMembers(IContainer container, List membersList) {
try {
IResource[] members = container.members(true);
if (members != null) {
for (int i = 0; i < members.length; i++) {
if (members[i].getType() == IResource.FILE)
membersList.add(members[i]);
else if (members[i].getType() == IResource.FOLDER)
getMembers((IContainer) members[i], membersList);
}
}
}
catch (CoreException e) {
// do nothing
}
}
private static ICompletionProposal[] getSerializedProposals(IResource resource, int replacementStart, int replacementLength) {
List names = new ArrayList();
List resources = new ArrayList();
getMembers(resource.getProject(), resources);
IResource memberResource = null;
for (int i = 0; i < resources.size(); i++) {
memberResource = (IResource) resources.get(i);
if (memberResource.getType() == IResource.FILE && memberResource.getName().endsWith(".ser")) { //$NON-NLS-1$
String path = URIHelper.normalize(memberResource.getFullPath().toString(), resource.getFullPath().toString(), resource.getProject().getFullPath().toString());
if (path != null) {
names.add(new CustomCompletionProposal("\"" + path + "\"", //$NON-NLS-1$ //$NON-NLS-2$
replacementStart, replacementLength, path.length() + 2, null, path, null, null, IRelevanceConstants.R_NONE));
}
}
}
return (ICompletionProposal[]) names.toArray(new ICompletionProposal[names.size()]);
}
/**
*
* @param resource
* @param replacementStart
* @param replacementLength
* @param searchFor IJavaSearchConstants.TYPE, IJavaSearchConstants.CLASS
* @return
*/
private static ICompletionProposal[] findProposals(IResource resource, int replacementStart, int replacementLength, int searchFor, boolean ignoreAbstractClasses) {
JavaTypeNameRequestor requestor = new JavaTypeNameRequestor();
requestor.setJSPOffset(replacementStart);
requestor.setReplacementLength(replacementLength);
requestor.setIgnoreAbstractClasses(ignoreAbstractClasses);
try {
IJavaElement[] elements = new IJavaElement[]{getJavaProject(resource)};
IJavaSearchScope scope = SearchEngine.createJavaSearchScope(elements);
new SearchEngine().searchAllTypeNames(null, null, SearchPattern.R_PATTERN_MATCH | SearchPattern.R_PREFIX_MATCH, searchFor, scope, requestor, IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, null);
}
catch (CoreException exc) {
Logger.logException(exc);
}
catch (Exception exc) {
// JavaModel
Logger.logException(exc);
}
return requestor.getProposals();
}
public static ICompletionProposal[] getTypeProposals(IResource resource, int replacementStart, int replacementLength) {
return findProposals(resource, replacementStart, replacementLength, IJavaSearchConstants.TYPE, false);
}
public static ICompletionProposal[] getClassProposals(IResource resource, int replacementStart, int replacementLength) {
return findProposals(resource, replacementStart, replacementLength, IJavaSearchConstants.CLASS, true);
}
private static IJavaProject getJavaProject(IResource resource) {
IProject proj = resource.getProject();
IJavaProject javaProject = JavaCore.create(proj);
return javaProject;
}
}