| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Copyright 2001-2004 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 com.sun.org.apache.xerces.internal.impl.xs.identity; |
| |
| import com.sun.org.apache.xerces.internal.xs.XSIDCDefinition; |
| import com.sun.org.apache.xerces.internal.xs.StringList; |
| import com.sun.org.apache.xerces.internal.xs.XSNamespaceItem; |
| import com.sun.org.apache.xerces.internal.xs.XSObjectList; |
| import com.sun.org.apache.xerces.internal.xs.XSConstants; |
| import com.sun.org.apache.xerces.internal.impl.xs.util.StringListImpl; |
| import com.sun.org.apache.xerces.internal.impl.xs.util.XSObjectListImpl; |
| import com.sun.org.apache.xerces.internal.impl.xs.XSAnnotationImpl; |
| |
| /** |
| * Base class of Schema identity constraint. |
| * |
| * @xerces.internal |
| * |
| * @author Andy Clark, IBM |
| */ |
| public abstract class IdentityConstraint implements XSIDCDefinition { |
| |
| // |
| // Data |
| // |
| |
| /** type */ |
| protected short type; |
| |
| /** target namespace */ |
| protected String fNamespace; |
| |
| /** Identity constraint name. */ |
| protected String fIdentityConstraintName; |
| |
| /** name of owning element */ |
| protected String fElementName; |
| |
| /** 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, String elemName) { |
| fNamespace = namespace; |
| fIdentityConstraintName = identityConstraintName; |
| fElementName = elemName; |
| } // <init>(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 |
| |
| // get the name of the owning element |
| public String getElementName () { |
| return fElementName; |
| } // getElementName(): String |
| |
| // |
| // 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<fFieldCount; i++) |
| if(!fFields[i].toString().equals(id.fFields[i].toString())) return false; |
| return true; |
| } // equals |
| |
| static final Field[] resize(Field[] oldArray, int newSize) { |
| Field[] newArray = new Field[newSize]; |
| System.arraycopy(oldArray, 0, newArray, 0, oldArray.length); |
| return newArray; |
| } |
| |
| /** |
| * Get the type of the object, i.e ELEMENT_DECLARATION. |
| */ |
| public short getType() { |
| return XSConstants.IDENTITY_CONSTRAINT; |
| } |
| |
| /** |
| * The <code>name</code> of this <code>XSObject</code> depending on the |
| * <code>XSObject</code> type. |
| */ |
| public String getName() { |
| return fIdentityConstraintName; |
| } |
| |
| /** |
| * The namespace URI of this node, or <code>null</code> 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 com.sun.org.apache.xerces.internal.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 |