| /* Copyright 2004 The Apache Software Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.xmlbeans.impl.schema; |
| |
| import org.apache.xmlbeans.*; |
| import org.apache.xmlbeans.impl.xpath.XPath; |
| |
| import javax.xml.namespace.QName; |
| import java.util.Collections; |
| import java.util.Map; |
| |
| public class SchemaIdentityConstraintImpl implements SchemaIdentityConstraint { |
| private SchemaContainer _container; |
| private String _selector; |
| private String[] _fields; |
| private SchemaIdentityConstraint.Ref _key; |
| private QName _name; |
| private int _type; |
| private XmlObject _parse; |
| private Object _userData; |
| private SchemaAnnotation _annotation; |
| private Map _nsMap = Collections.EMPTY_MAP; |
| private String _parseTNS; |
| private boolean _chameleon; |
| private String _filename; |
| |
| // Lazily computed paths |
| private volatile XPath _selectorPath; |
| private volatile XPath[] _fieldPaths; |
| |
| public SchemaIdentityConstraintImpl(SchemaContainer c) { |
| _container = c; |
| } |
| |
| public void setFilename(String filename) { |
| _filename = filename; |
| } |
| |
| public String getSourceName() { |
| return _filename; |
| } |
| |
| |
| 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 setAnnotation(SchemaAnnotation ann) { |
| _annotation = ann; |
| } |
| |
| public SchemaAnnotation getAnnotation() { |
| return _annotation; |
| } |
| |
| 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 _container.getTypeSystem(); |
| } |
| |
| SchemaContainer getContainer() { |
| return _container; |
| } |
| |
| 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(); |
| } |
| |
| public Object getUserData() { |
| return _userData; |
| } |
| |
| public void setUserData(Object data) { |
| _userData = data; |
| } |
| } |