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
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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
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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 1997-2006 Sun
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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
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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.java.hints.errors;
043:
044: import org.netbeans.modules.java.hints.errors.AddCast;
045: import com.sun.source.tree.ExpressionTree;
046: import com.sun.source.tree.Tree;
047: import java.io.IOException;
048: import javax.lang.model.type.TypeMirror;
049: import org.netbeans.api.java.source.Task;
050: import org.netbeans.api.java.source.JavaSource;
051: import org.netbeans.api.java.source.TreeMaker;
052: import org.netbeans.api.java.source.JavaSource.Phase;
053: import org.netbeans.api.java.source.WorkingCopy;
054: import org.netbeans.spi.editor.hints.ChangeInfo;
055: import org.netbeans.spi.editor.hints.Fix;
056: import org.openide.ErrorManager;
057: import org.openide.util.NbBundle;
058:
059: /**
060: *
061: * @author Jan Lahoda
062: */
063: final class AddCastFix implements Fix {
064:
065: private JavaSource js;
066: private String treeName;
067: private String type;
068: private int position;
069: private boolean wrapWithBrackets;
070:
071: public AddCastFix(JavaSource js, String treeName, String type,
072: int position, boolean wrapWithBrackets) {
073: this .js = js;
074: this .treeName = treeName;
075: this .type = type;
076: this .position = position;
077: this .wrapWithBrackets = wrapWithBrackets;
078: }
079:
080: public ChangeInfo implement() {
081: try {
082: js.runModificationTask(new Task<WorkingCopy>() {
083:
084: public void run(final WorkingCopy working)
085: throws IOException {
086: working.toPhase(Phase.RESOLVED);
087: TypeMirror[] tm = new TypeMirror[1];
088: ExpressionTree[] expression = new ExpressionTree[1];
089: Tree[] leaf = new Tree[1];
090:
091: AddCast.computeType(working, position, tm,
092: expression, leaf);
093:
094: if (tm[0] == null) {
095: //cannot resolve anymore:
096: return;
097: }
098:
099: TreeMaker make = working.getTreeMaker();
100: ExpressionTree toCast = expression[0];
101:
102: if (wrapWithBrackets) {
103: toCast = make.Parenthesized(toCast);
104: }
105:
106: ExpressionTree cast = make.TypeCast(make
107: .Type(tm[0]), toCast);
108:
109: working.rewrite(expression[0], cast);
110: }
111: }).commit();
112: } catch (IOException e) {
113: ErrorManager.getDefault().notify(e);
114: }
115:
116: return null;
117: }
118:
119: public String getText() {
120: return NbBundle.getMessage(AddCastFix.class,
121: "LBL_FIX_Add_Cast", treeName, type); // NOI18N
122: }
123:
124: public String toDebugString() {
125: return "[AddCastFix:" + treeName + ":" + type + "]";
126: }
127:
128: }
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