| /* |
| * 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.common; |
| |
| import org.apache.xmlbeans.XmlObject; |
| import org.apache.xmlbeans.SimpleValue; |
| |
| /** |
| * A class to hold and compare a list of XmlObjects for use by keys |
| * keyrefs during validation. |
| */ |
| public class XmlObjectList |
| { |
| private final XmlObject[] _objects; |
| |
| /** |
| * Construct a new empty object list of the given fixed size. |
| */ |
| public XmlObjectList(int objectCount) { |
| _objects = new XmlObject[objectCount]; |
| } |
| |
| /** |
| * Set an object by index unless a value has been previously |
| * set at that location. |
| * |
| * @return true if the value was set, false if the value has |
| * already been set |
| */ |
| public boolean set(XmlObject o, int index) |
| { |
| if (_objects[index] != null) |
| return false; |
| |
| _objects[index] = o; |
| return true; |
| } |
| |
| /** |
| * Tests that all values have been set. Needed for keys. |
| */ |
| public boolean filled() { |
| for (int i = 0 ; i < _objects.length ; i++) |
| if (_objects[i] == null) return false; |
| |
| return true; |
| } |
| |
| /** |
| * Tests that all values have been set. Needed for keys. |
| */ |
| public int unfilled() |
| { |
| for (int i = 0 ; i < _objects.length ; i++) |
| if (_objects[i] == null) return i; |
| |
| return -1; |
| } |
| |
| public boolean equals(Object o) { |
| if (!( o instanceof XmlObjectList)) |
| return false; |
| |
| XmlObjectList other = (XmlObjectList)o; |
| |
| if (other._objects.length != this._objects.length) |
| return false; |
| |
| for (int i = 0 ; i < _objects.length ; i++) { |
| // Ignore missing values |
| if (_objects[i] == null || other._objects[i] == null) |
| return false; |
| |
| if (! _objects[i].valueEquals(other._objects[i])) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| public int hashCode() |
| { |
| int h = 0; |
| |
| for (int i = 0 ; i < _objects.length ; i++) |
| if (_objects[i] != null) |
| h = 31 * h + _objects[i].valueHashCode(); |
| |
| return h; |
| } |
| |
| private static String prettytrim(String s) |
| { |
| int end; |
| for (end = s.length(); end > 0; end -= 1) |
| { |
| if (!XMLChar.isSpace(s.charAt(end - 1))) |
| break; |
| } |
| int start; |
| for (start = 0; start < end; start += 1) |
| { |
| if (!XMLChar.isSpace(s.charAt(start))) |
| break; |
| } |
| return s.substring(start, end); |
| } |
| |
| public String toString() { |
| StringBuffer b = new StringBuffer(); |
| |
| for (int i = 0 ; i < _objects.length ; i++) |
| { |
| if (i != 0) b.append(" "); |
| b.append(prettytrim(((SimpleValue)_objects[i]).stringValue())); |
| } |
| |
| return b.toString(); |
| } |
| } |
| |
| |