001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.visualweb.insync.java;
043:
044: import com.sun.source.tree.ModifiersTree;
045: import com.sun.source.tree.Tree;
046: import com.sun.source.util.TreePath;
047: import java.util.List;
048: import javax.lang.model.element.Element;
049: import javax.lang.model.element.Modifier;
050: import org.netbeans.api.java.source.Comment;
051: import org.netbeans.api.java.source.CompilationInfo;
052: import static java.lang.reflect.Modifier.*;
053: import javax.lang.model.element.TypeElement;
054:
055: /**
056: *
057: * @author jdeva
058: */
059: public class TreeUtils {
060:
061: /*
062: * Returns treepath for a given tree
063: */
064: static TreePath getTreePath(CompilationInfo cinfo, Tree tree) {
065: return cinfo.getTrees().getPath(cinfo.getCompilationUnit(),
066: tree);
067: }
068:
069: /*
070: * Not sure if it is the correct way of computing FQN
071: */
072: static String getFQN(CompilationInfo cinfo, Tree tree) {
073: return cinfo.getTrees().getTypeMirror(getTreePath(cinfo, tree))
074: .toString();
075: }
076:
077: /*
078: * Returns element for a given tree
079: */
080: static Element getElement(CompilationInfo cinfo, Tree tree) {
081: return cinfo.getTrees().getElement(getTreePath(cinfo, tree));
082: }
083:
084: /*
085: * Returns element for a given tree
086: */
087: static TypeElement getTypeElement(CompilationInfo cinfo, Tree tree) {
088: return (TypeElement) getElement(cinfo, tree);
089: }
090:
091: /**
092: * Returns the preceding immediate comment
093: */
094: static String getPrecedingImmediateCommentText(
095: CompilationInfo cinfo, Tree tree) {
096: List<Comment> comments = cinfo.getTreeUtilities().getComments(
097: tree, true);
098: return comments.size() > 0 ? comments.get(comments.size() - 1)
099: .getText() : null;
100: }
101:
102: /**
103: * Returns modifiers as bit flags
104: */
105: static long getModifierFlags(ModifiersTree tree) {
106: long flags = 0;
107: for (Modifier modifier : tree.getFlags()) {
108: switch (modifier) {
109: case PUBLIC:
110: flags |= PUBLIC;
111: break;
112: case PROTECTED:
113: flags |= PROTECTED;
114: break;
115: case PRIVATE:
116: flags |= PRIVATE;
117: break;
118: case ABSTRACT:
119: flags |= ABSTRACT;
120: break;
121: case STATIC:
122: flags |= STATIC;
123: break;
124: case FINAL:
125: flags |= FINAL;
126: break;
127: case TRANSIENT:
128: flags |= TRANSIENT;
129: break;
130: case VOLATILE:
131: flags |= VOLATILE;
132: break;
133: case SYNCHRONIZED:
134: flags |= SYNCHRONIZED;
135: break;
136: case NATIVE:
137: flags |= NATIVE;
138: break;
139: default:
140: break;
141: }
142: }
143: return flags;
144: }
145: }
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