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A processor for parsing, validating, serializing and manipulating XML, written in Java
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/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.xerces.impl.xs.identity; import org.apache.xerces.impl.xs.XSAnnotationImpl; import org.apache.xerces.impl.xs.util.StringListImpl; import org.apache.xerces.impl.xs.util.XSObjectListImpl; import org.apache.xerces.xs.StringList; import org.apache.xerces.xs.XSConstants; import org.apache.xerces.xs.XSIDCDefinition; import org.apache.xerces.xs.XSNamespaceItem; import org.apache.xerces.xs.XSObjectList; /** * Base class of Schema identity constraint. * * @xerces.internal * * @author Andy Clark, IBM * @version $Id$ */ public abstract class IdentityConstraint implements XSIDCDefinition { // // Data // /** type */ protected short type; /** target namespace */ protected final String fNamespace; /** Identity constraint name. */ protected final String fIdentityConstraintName; /** Selector. */ protected Selector fSelector; /** Field count. */ protected int fFieldCount; /** Fields. */ protected Field[] fFields; // optional annotations protected XSAnnotationImpl [] fAnnotations = null; // number of annotations in this identity constraint protected int fNumAnnotations; // // Constructors // /** Default constructor. */ protected IdentityConstraint(String namespace, String identityConstraintName) { fNamespace = namespace; fIdentityConstraintName = identityConstraintName; } //
of this(String,String) // // Public methods // /** Returns the identity constraint name. */ public String getIdentityConstraintName() { return fIdentityConstraintName; } // getIdentityConstraintName():String /** Sets the selector. */ public void setSelector(Selector selector) { fSelector = selector; } // setSelector(Selector) /** Returns the selector. */ public Selector getSelector() { return fSelector; } // getSelector():Selector /** Adds a field. */ public void addField(Field field) { if (fFields == null) fFields = new Field[4]; else if (fFieldCount == fFields.length) fFields = resize(fFields, fFieldCount*2); fFields[fFieldCount++] = field; } // addField(Field) /** Returns the field count. */ public int getFieldCount() { return fFieldCount; } // getFieldCount():int /** Returns the field at the specified index. */ public Field getFieldAt(int index) { return fFields[index]; } // getFieldAt(int):Field // // Object methods // /** Returns a string representation of this object. */ public String toString() { String s = super.toString(); int index1 = s.lastIndexOf('$'); if (index1 != -1) { return s.substring(index1 + 1); } int index2 = s.lastIndexOf('.'); if (index2 != -1) { return s.substring(index2 + 1); } return s; } // toString():String // equals: returns true if and only if the String // representations of all members of both objects (except for // the elenemtName field) are equal. public boolean equals(IdentityConstraint id) { boolean areEqual = fIdentityConstraintName.equals(id.fIdentityConstraintName); if(!areEqual) return false; areEqual = fSelector.toString().equals(id.fSelector.toString()); if(!areEqual) return false; areEqual = (fFieldCount == id.fFieldCount); if(!areEqual) return false; for(int i=0; i name XSObject
depending on the *XSObject
type. */ public String getName() { return fIdentityConstraintName; } /** * The namespace URI of this node, ornull
if it is * unspecified. defines how a namespace URI is attached to schema * components. */ public String getNamespace() { return fNamespace; } /** * {identity-constraint category} One of key, keyref or unique. */ public short getCategory() { return type; } /** * {selector} A restricted XPath ([XPath]) expression */ public String getSelectorStr() { return (fSelector != null) ? fSelector.toString() : null; } /** * {fields} A non-empty list of restricted XPath ([XPath]) expressions. */ public StringList getFieldStrs() { String[] strs = new String[fFieldCount]; for (int i = 0; i < fFieldCount; i++) strs[i] = fFields[i].toString(); return new StringListImpl(strs, fFieldCount); } /** * {referenced key} Required if {identity-constraint category} is keyref, * forbidden otherwise. An identity-constraint definition with * {identity-constraint category} equal to key or unique. */ public XSIDCDefinition getRefKey() { return null; } /** * Optional. Annotation. */ public XSObjectList getAnnotations() { return new XSObjectListImpl(fAnnotations, fNumAnnotations); } /** * @see org.apache.xerces.xs.XSObject#getNamespaceItem() */ public XSNamespaceItem getNamespaceItem() { // REVISIT: implement return null; } public void addAnnotation(XSAnnotationImpl annotation) { if(annotation == null) return; if(fAnnotations == null) { fAnnotations = new XSAnnotationImpl[2]; } else if(fNumAnnotations == fAnnotations.length) { XSAnnotationImpl[] newArray = new XSAnnotationImpl[fNumAnnotations << 1]; System.arraycopy(fAnnotations, 0, newArray, 0, fNumAnnotations); fAnnotations = newArray; } fAnnotations[fNumAnnotations++] = annotation; } } // class IdentityConstraint