001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.lang.psi.stubs.impl;
018    
019    import com.google.common.collect.Lists;
020    import com.intellij.psi.PsiClass;
021    import com.intellij.psi.impl.java.stubs.PsiClassStub;
022    import com.intellij.psi.stubs.PsiClassHolderFileStub;
023    import com.intellij.psi.stubs.PsiFileStubImpl;
024    import com.intellij.psi.stubs.StubElement;
025    import com.intellij.psi.tree.IStubFileElementType;
026    import com.intellij.util.io.StringRef;
027    import org.jetbrains.jet.lang.psi.JetFile;
028    import org.jetbrains.jet.lang.psi.stubs.PsiJetFileStub;
029    import org.jetbrains.jet.lang.psi.stubs.elements.JetStubElementTypes;
030    
031    import java.util.List;
032    
033    public class PsiJetFileStubImpl extends PsiFileStubImpl<JetFile> implements PsiJetFileStub, PsiClassHolderFileStub<JetFile> {
034    
035        private final StringRef packageName;
036        private final boolean isScript;
037    
038        public PsiJetFileStubImpl(JetFile jetFile, StringRef packageName, boolean isScript) {
039            super(jetFile);
040            this.packageName = packageName;
041            this.isScript = isScript;
042        }
043    
044        public PsiJetFileStubImpl(JetFile jetFile, String packageName, boolean isScript) {
045            this(jetFile, StringRef.fromString(packageName), isScript);
046        }
047    
048        @Override
049        public String getPackageName() {
050            return StringRef.toString(packageName);
051        }
052    
053        @Override
054        public boolean isScript() {
055            return isScript;
056        }
057    
058        @Override
059        public IStubFileElementType getType() {
060            return JetStubElementTypes.FILE;
061        }
062    
063        @Override
064        public String toString() {
065            StringBuilder builder = new StringBuilder();
066    
067            builder.append("PsiJetFileStubImpl[");
068    
069    
070            builder.append("package=").append(getPackageName());
071            builder.append("]");
072    
073            return builder.toString();
074        }
075    
076        @Override
077        public PsiClass[] getClasses() {
078            List<PsiClass> result = Lists.newArrayList();
079            for (StubElement child : getChildrenStubs()) {
080                if (child instanceof PsiClassStub) {
081                    result.add((PsiClass) child.getPsi());
082                }
083            }
084            return result.toArray(new PsiClass[result.size()]);
085        }
086    }