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1: /* DomDOMException.java -- 2: Copyright (C) 1999,2000,2001,2004 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package gnu.xml.dom; 39: 40: import org.w3c.dom.DOMException; 41: import org.w3c.dom.Node; 42: 43: /** 44: * <p> DOMException implementation. The version that 45: * is provided by the W3C is abstract, so it can't be instantiated. 46: * 47: * <p> This also provides a bit more information about the error 48: * that is being reported, in terms of the relevant DOM structures 49: * and data. 50: * 51: * @author David Brownell 52: */ 53: public class DomDOMException 54: extends DOMException 55: { 56: 57: /** @serial Data that caused an error to be reported */ 58: private String data; 59: 60: /** @serial Node associated with the error. */ 61: private Node node; 62: 63: /** @serial Data associated with the error. */ 64: private int value; 65: 66: /** 67: * Constructs an exception, with the diagnostic message 68: * corresponding to the specified code. 69: */ 70: public DomDOMException(short code) 71: { 72: super(code, diagnostic(code)); 73: } 74: 75: /** 76: * Constructs an exception, with the diagnostic message 77: * corresponding to the specified code and additional 78: * information as provided. 79: */ 80: public DomDOMException(short code, String data, Node node, int value) 81: { 82: super(code, diagnostic(code)); 83: this.data = data; 84: this.node = node; 85: this.value = value; 86: } 87: 88: /** Returns the node to which the diagnotic applies, or null. */ 89: final public Node getNode() 90: { 91: return node; 92: } 93: 94: /** Returns data to which the diagnotic applies, or null. */ 95: final public String getData() 96: { 97: return data; 98: } 99: 100: /** Returns data to which the diagnotic applies, or null. */ 101: final public int getValue() 102: { 103: return value; 104: } 105: 106: /** 107: * Returns a diagnostic message that may be slightly more useful 108: * than the generic one, where possible. 109: */ 110: public String getMessage() 111: { 112: String retval = super.getMessage(); 113: 114: if (data != null) 115: { 116: retval += "\nMore Information: " + data; 117: } 118: if (value != 0) 119: { 120: retval += "\nNumber: " + value; 121: } 122: if (node != null) 123: { 124: retval += "\nNode Name: " + node.getNodeName(); 125: } 126: return retval; 127: } 128: 129: // these strings should be localizable. 130: 131: private static String diagnostic(short code) 132: { 133: switch (code) 134: { 135: // DOM L1: 136: case INDEX_SIZE_ERR: 137: return "An index or size is out of range."; 138: case DOMSTRING_SIZE_ERR: 139: return "A string is too big."; 140: case HIERARCHY_REQUEST_ERR: 141: return "The node doesn't belong here."; 142: case WRONG_DOCUMENT_ERR: 143: return "The node belongs in another document."; 144: case INVALID_CHARACTER_ERR: 145: return "That character is not permitted."; 146: case NO_DATA_ALLOWED_ERR: 147: return "This node does not permit data."; 148: case NO_MODIFICATION_ALLOWED_ERR: 149: return "No changes are allowed."; 150: case NOT_FOUND_ERR: 151: return "The node was not found in that context."; 152: case NOT_SUPPORTED_ERR: 153: return "That object is not supported."; 154: case INUSE_ATTRIBUTE_ERR: 155: return "The attribute belongs to a different element."; 156: 157: // DOM L2: 158: case INVALID_STATE_ERR: 159: return "The object is not usable."; 160: case SYNTAX_ERR: 161: return "An illegal string was provided."; 162: case INVALID_MODIFICATION_ERR: 163: return "An object's type may not be changed."; 164: case NAMESPACE_ERR: 165: return "The operation violates XML Namespaces."; 166: case INVALID_ACCESS_ERR: 167: return "Parameter or operation isn't supported by this node."; 168: case TYPE_MISMATCH_ERR: 169: return "The type of the argument is incompatible with the expected type."; 170: } 171: return "Reserved exception number: " + code; 172: } 173: 174: }