/*******************************************************************************
* Copyright (c) 2009-2011 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.cdi.internal.core.el;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IMember;
import org.eclipse.jface.resource.ImageDescriptor;
import org.jboss.tools.cdi.core.CDICoreNature;
import org.jboss.tools.cdi.core.CDICorePlugin;
import org.jboss.tools.cdi.core.CDIImages;
import org.jboss.tools.cdi.core.CDIUtil;
import org.jboss.tools.cdi.core.IBean;
import org.jboss.tools.cdi.core.IBeanMember;
import org.jboss.tools.cdi.core.ICDIProject;
import org.jboss.tools.cdi.core.IClassBean;
import org.jboss.tools.cdi.internal.core.impl.CDIProjectAsYouType;
import org.jboss.tools.common.el.core.ca.AbstractELCompletionEngine;
import org.jboss.tools.common.el.core.ca.DefaultJavaRelevanceCheck;
import org.jboss.tools.common.el.core.model.ELInvocationExpression;
import org.jboss.tools.common.el.core.parser.ELParserFactory;
import org.jboss.tools.common.el.core.parser.ELParserUtil;
import org.jboss.tools.common.el.core.resolver.ELContext;
import org.jboss.tools.common.el.core.resolver.IRelevanceCheck;
import org.jboss.tools.common.el.core.resolver.TypeInfoCollector;
import org.jboss.tools.common.el.core.resolver.TypeInfoCollector.MemberInfo;
import org.jboss.tools.common.el.core.resolver.TypeInfoCollector.MemberPresentation;
import org.jboss.tools.common.text.TextProposal;
/**
* @author Alexey Kazakov
*/
public class CdiElResolver extends AbstractELCompletionEngine<IBean> {
private static ELParserFactory factory = ELParserUtil.getJbossFactory();
/*
* (non-Javadoc)
* @see org.jboss.tools.common.el.core.ca.AbstractELCompletionEngine#getELProposalImageForMember(org.jboss.tools.common.el.core.resolver.TypeInfoCollector.MemberInfo)
*/
@Override
public ImageDescriptor getELProposalImageForMember(MemberInfo memberInfo) {
return (memberInfo instanceof TypeInfoCollector.FieldInfo)?CDIImages.BEAN_FIELD_IMAGE:CDIImages.BEAN_METHOD_IMAGE;
}
/*
* (non-Javadoc)
* @see org.jboss.tools.common.el.core.ca.AbstractELCompletionEngine#getELProposalImage(org.jboss.tools.common.el.core.resolver.TypeInfoCollector.MemberPresentation)
*/
@Override
protected ImageDescriptor getELProposalImage(MemberPresentation memberPresentation) {
return memberPresentation.isProperty()?CDIImages.BEAN_FIELD_IMAGE:CDIImages.BEAN_METHOD_IMAGE;
}
/*
* (non-Javadoc)
* @see org.jboss.tools.common.el.core.ca.AbstractELCompletionEngine#setImage(org.jboss.tools.common.text.TextProposal, org.jboss.tools.common.el.core.resolver.IVariable)
*/
@Override
protected void setImage(TextProposal kbProposal, IBean var) {
kbProposal.setImageDescriptor(CDIImages.getImageDescriptorByElement(var));
}
/* (non-Javadoc)
* @see org.jboss.tools.jst.web.kb.el.AbstractELCompletionEngine#log(java.lang.Exception)
*/
@Override
protected void log(Exception e) {
CDICorePlugin.getDefault().logError(e);
}
/*
* (non-Javadoc)
* @see org.jboss.tools.jst.web.kb.el.AbstractELCompletionEngine#getMemberInfoByVariable(org.jboss.tools.common.el.core.resolver.IVariable, boolean)
*/
@Override
protected MemberInfo getMemberInfoByVariable(IBean bean, ELContext context, boolean onlyEqualNames, int offset) {
IMember member = null;
if(bean instanceof IClassBean) {
member = bean.getBeanClass();
} else if(bean instanceof IBeanMember) {
IBeanMember beanMember = (IBeanMember)bean;
member = beanMember.getSourceMember();
} else {
member = bean.getBeanClass();
}
return TypeInfoCollector.createMemberInfo(member);
}
/*
* (non-Javadoc)
* @see org.jboss.tools.jst.web.kb.el.AbstractELCompletionEngine#resolveVariables(org.eclipse.core.resources.IFile, org.jboss.tools.common.el.core.model.ELInvocationExpression, boolean, boolean)
*/
@Override
public List<IBean> resolveVariables(IFile file, ELContext context, ELInvocationExpression expr, boolean isFinal, boolean onlyEqualNames, int offset) {
List<IBean> beans = EMPTY_VARIABLES_LIST;
IProject project = file.getProject();
if (project == null) {
return beans;
}
String varName = expr.toString();
Collection<IBean> resolvedBeans = null;
if (varName != null) {
CDICoreNature nature = CDIUtil.getCDINatureWithProgress(project);
if(nature!=null) {
ICDIProject cdiProject = nature.getDelegate();
if (cdiProject != null) {
if(context!=null && context.isDirty() && ("java".equalsIgnoreCase(file.getFileExtension()) || "beans.xml".equalsIgnoreCase(file.getName()))) {
cdiProject = new CDIProjectAsYouType(cdiProject, file);
}
if(onlyEqualNames) {
resolvedBeans = cdiProject.getBeans(varName, true);
if(resolvedBeans.isEmpty()) {
resolvedBeans = cdiProject.getBeans(varName, false);
}
if(!resolvedBeans.isEmpty()) {
if(beans == EMPTY_VARIABLES_LIST) {
beans = new ArrayList<IBean>();
}
beans.addAll(resolvedBeans);
}
} else {
resolvedBeans = cdiProject.getNamedBeans(true);
if(resolvedBeans.isEmpty()) {
resolvedBeans = cdiProject.getBeans(varName, false);
}
for (IBean bean : resolvedBeans) {
if(bean.getName().startsWith(varName)) {
if(beans == EMPTY_VARIABLES_LIST) {
beans = new ArrayList<IBean>();
}
beans.add(bean);
}
}
resolvedBeans.clear();
resolvedBeans.addAll(beans);
}
}
}
}
if (resolvedBeans != null && !resolvedBeans.isEmpty()) {
List<IBean> newResolvedVars = new ArrayList<IBean>();
for (IBean var : resolvedBeans) {
if(!isFinal) {
// Do filter by equals (name)
// In case of the last pass - do not filter by startsWith(name) instead of equals
if (varName.equals(var.getName())) {
newResolvedVars.add(var);
}
} else {
newResolvedVars.add(var);
}
}
return newResolvedVars;
}
return beans;
}
/*
* (non-Javadoc)
* @see org.jboss.tools.common.el.core.resolver.ELResolver#getParserFactory()
*/
public ELParserFactory getParserFactory() {
return factory;
}
/*
* (non-Javadoc)
* @see org.jboss.tools.common.el.core.ca.AbstractELCompletionEngine#isStaticMethodsCollectingEnabled()
*/
@Override
protected boolean isStaticMethodsCollectingEnabled() {
return true;
}
/*
* (non-Javadoc)
* @see org.jboss.tools.common.el.core.ca.AbstractELCompletionEngine#createRelevanceCheck(org.eclipse.jdt.core.IJavaElement)
*/
@Override
public IRelevanceCheck createRelevanceCheck(IJavaElement element) {
return new BeanRelevanceCheck(element);
}
}
class BeanRelevanceCheck extends DefaultJavaRelevanceCheck {
Set<String> names = new HashSet<String>();
public BeanRelevanceCheck(IJavaElement element) {
super(element);
IProject project = element.getJavaProject().getProject();
ICDIProject cdi = CDICorePlugin.getCDIProject(project, true);
if(cdi != null) {
for (IBean b: cdi.getBeans(element)) {
if(b.getName() != null) {
names.add(b.getName());
}
}
}
}
/*
* (non-Javadoc)
* @see org.jboss.tools.common.el.core.ca.DefaultJavaRelevanceCheck#isRelevant(java.lang.String)
*/
@Override
public boolean isRelevant(String content) {
if(super.isRelevant(content)) {
return true;
}
for (String name: names) {
if(content.contains(name)) {
return true;
}
}
return false;
}
}