| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache |
| * XMLBeans", nor may "Apache" appear in their name, without prior |
| * written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 2000-2003 BEA Systems |
| * Inc., <http://www.bea.com/>. For more information on the Apache Software |
| * Foundation, please see <http://www.apache.org/>. |
| */ |
| |
| package org.apache.xmlbeans.impl.schema; |
| |
| import org.apache.xmlbeans.SchemaIdentityConstraint; |
| import org.apache.xmlbeans.SchemaTypeSystem; |
| import org.apache.xmlbeans.SchemaComponent; |
| import org.apache.xmlbeans.XmlObject; |
| import org.apache.xmlbeans.impl.common.XPath; |
| import javax.xml.namespace.QName; |
| import java.util.Map; |
| import java.util.Collections; |
| |
| public class SchemaIdentityConstraintImpl implements SchemaIdentityConstraint |
| { |
| private SchemaTypeSystem _typeSystem; |
| private String _selector; |
| private String[] _fields; |
| private SchemaIdentityConstraint.Ref _key; |
| private QName _name; |
| private int _type; |
| private XmlObject _parse; |
| private Map _nsMap = Collections.EMPTY_MAP; |
| private String _parseTNS; |
| private boolean _chameleon; |
| |
| // Lazily computed paths |
| private volatile XPath _selectorPath; |
| private volatile XPath[] _fieldPaths; |
| |
| public SchemaIdentityConstraintImpl(SchemaTypeSystem sys) { |
| _typeSystem = sys; |
| } |
| |
| public String getSelector() { |
| return _selector; |
| } |
| |
| public Object getSelectorPath() { |
| XPath p = _selectorPath; |
| if (p == null) { |
| try { |
| buildPaths(); |
| p = _selectorPath; |
| } |
| catch (XPath.XPathCompileException e) { |
| assert false: "Failed to compile xpath. Should be caught by compiler " + e; |
| return null; |
| } |
| } |
| return p; |
| } |
| |
| public void setNSMap(Map nsMap) { |
| _nsMap = nsMap; |
| } |
| |
| public Map getNSMap() { |
| return Collections.unmodifiableMap(_nsMap); |
| } |
| |
| public void setSelector(String selector) { |
| assert selector != null; |
| _selector = selector; |
| } |
| |
| public void setFields(String[] fields) { |
| assert fields != null && fields.length > 0; |
| _fields = fields; |
| } |
| |
| public String[] getFields() { |
| String[] fields = new String[_fields.length]; |
| System.arraycopy(_fields, 0, fields, 0, fields.length); |
| return fields; |
| } |
| |
| public Object getFieldPath(int index) { |
| XPath[] p = _fieldPaths; |
| if (p == null) { |
| try { |
| buildPaths(); |
| p = _fieldPaths; |
| } |
| catch (XPath.XPathCompileException e) { |
| assert false: "Failed to compile xpath. Should be caught by compiler " + e; |
| return null; |
| } |
| } |
| return p[index]; |
| } |
| |
| public void buildPaths() throws XPath.XPathCompileException { |
| // TODO: Need the namespace map - requires store support |
| _selectorPath = XPath.compileXPath(_selector, _nsMap); |
| |
| _fieldPaths = new XPath[_fields.length]; |
| for (int i = 0 ; i < _fieldPaths.length ; i++) |
| _fieldPaths[i] = XPath.compileXPath(_fields[i], _nsMap); |
| } |
| |
| public void setReferencedKey(SchemaIdentityConstraint.Ref key) { |
| _key = key; |
| } |
| |
| public SchemaIdentityConstraint getReferencedKey() { |
| return _key.get(); |
| } |
| |
| public void setConstraintCategory(int type) { |
| assert type >= CC_KEY && type <= CC_UNIQUE; |
| _type = type; |
| } |
| |
| public int getConstraintCategory() { |
| return _type; |
| } |
| |
| public void setName(QName name) { |
| assert name != null; |
| _name = name; |
| } |
| |
| public QName getName() { |
| return _name; |
| } |
| |
| public int getComponentType() { |
| return IDENTITY_CONSTRAINT; |
| } |
| |
| public SchemaTypeSystem getTypeSystem() { |
| return _typeSystem; |
| } |
| |
| public void setParseContext(XmlObject o, String targetNamespace, boolean chameleon) { |
| _parse = o; |
| _parseTNS = targetNamespace; |
| _chameleon = chameleon; |
| } |
| |
| public XmlObject getParseObject() { |
| return _parse; |
| } |
| |
| public String getTargetNamespace() { |
| return _parseTNS; |
| } |
| |
| public String getChameleonNamespace() { |
| return _chameleon ? _parseTNS : null; |
| } |
| |
| |
| /** |
| * Only applicable to keyrefs. Other types are implicitly resolved. |
| */ |
| public boolean isResolved() { |
| return getConstraintCategory() != CC_KEYREF || _key != null; |
| } |
| |
| private SchemaIdentityConstraint.Ref _selfref = new SchemaIdentityConstraint.Ref(this); |
| |
| public SchemaIdentityConstraint.Ref getRef() |
| { return _selfref; } |
| |
| public SchemaComponent.Ref getComponentRef() |
| { return getRef(); } |
| } |