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 Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
021: * [name of copyright owner]"
022: *
023: * Contributor(s):
024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
030: * either the CDDL, the GPL Version 2 or to extend the choice of license to
031: * its licensees as provided above. However, if you add GPL Version 2 code
032: * and therefore, elected the GPL Version 2 license, then the option applies
033: * only if the new code is made subject to such option by the copyright
034: * holder.
035: */
036:
037: package com.sun.tools.xjc.reader;
038:
039: import java.util.List;
040: import java.util.Map;
041: import java.util.HashMap;
042:
043: import javax.xml.namespace.QName;
044:
045: import com.sun.tools.xjc.ErrorReceiver;
046: import com.sun.tools.xjc.model.CClassInfo;
047: import com.sun.tools.xjc.model.CPropertyInfo;
048: import com.sun.tools.xjc.model.Model;
049:
050: /**
051: * Checks errors on model classes.
052: *
053: * <p>
054: * This should be used as a {@link Ring} component.
055: *
056: * @author Kohsuke Kawaguchi
057: */
058: public final class ModelChecker {
059: private final Model model = Ring.get(Model.class);
060: private final ErrorReceiver errorReceiver = Ring
061: .get(ErrorReceiver.class);
062:
063: public ModelChecker() {
064: }
065:
066: public void check() {
067: for (CClassInfo ci : model.beans().values())
068: check(ci);
069: }
070:
071: private void check(CClassInfo ci) {
072: List<CPropertyInfo> props = ci.getProperties();
073: Map<QName, CPropertyInfo> collisionTable = new HashMap<QName, CPropertyInfo>();
074:
075: OUTER: for (int i = 0; i < props.size(); i++) {
076: CPropertyInfo p1 = props.get(i);
077:
078: if (p1.getName(true).equals("Class")) {
079: errorReceiver.error(p1.locator,
080: Messages.PROPERTY_CLASS_IS_RESERVED.format());
081: continue;
082: }
083:
084: QName n = p1.collectElementNames(collisionTable);
085: if (n != null) {
086: CPropertyInfo p2 = collisionTable.get(n);
087: errorReceiver.error(p1.locator,
088: Messages.DUPLICATE_ELEMENT.format(n));
089: errorReceiver.error(p2.locator,
090: Messages.ERR_RELEVANT_LOCATION.format());
091: }
092:
093: for (int j = i + 1; j < props.size(); j++) {
094: if (checkPropertyCollision(p1, props.get(j)))
095: continue OUTER;
096: }
097: for (CClassInfo c = ci.getBaseClass(); c != null; c = c
098: .getBaseClass()) {
099: for (CPropertyInfo p2 : c.getProperties())
100: if (checkPropertyCollision(p1, p2))
101: continue OUTER;
102: }
103: }
104: }
105:
106: private boolean checkPropertyCollision(CPropertyInfo p1,
107: CPropertyInfo p2) {
108: if (!p1.getName(true).equals(p2.getName(true)))
109: return false;
110: errorReceiver.error(p1.locator, Messages.DUPLICATE_PROPERTY
111: .format(p1.getName(true)));
112: errorReceiver.error(p2.locator, Messages.ERR_RELEVANT_LOCATION
113: .format());
114: return true;
115: }
116: }
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