/* DomText.java -- Copyright (C) 1999, 2000, 2001, 2004 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ package gnu.xml.dom; import org.w3c.dom.DOMException; import org.w3c.dom.Text; /** *

"Text" implementation.

* * @author David Brownell * @author Chris Burdess */ public class DomText extends DomCharacterData implements Text { // NOTE: deleted unused per-instance "isIgnorable" // support to reclaim its space. /** * Constructs a text node associated with the specified * document and holding the specified data. * *

This constructor should only be invoked by a Document object * as part of its createTextNode functionality, or through a subclass * which is similarly used in a "Sub-DOM" style layer. */ protected DomText(DomDocument owner, String value) { super(TEXT_NODE, owner, value); } protected DomText(DomDocument owner, char[] buf, int off, int len) { super(TEXT_NODE, owner, buf, off, len); } // Used by DomCDATA DomText(short nodeType, DomDocument owner, String value) { super(nodeType, owner, value); } DomText(short nodeType, DomDocument owner, char[] buf, int off, int len) { super(nodeType, owner, buf, off, len); } /** * DOM L1 * Returns the string "#text". */ // can't be 'final' with CDATA subclassing public String getNodeName() { return "#text"; } /** * DOM L1 * Splits this text node in two parts at the offset, returning * the new text node (the sibling with the second part). */ public Text splitText(int offset) { if (isReadonly()) { throw new DomEx(DomEx.NO_MODIFICATION_ALLOWED_ERR); } try { String text = getNodeValue(); String before = text.substring(0, offset); String after = text.substring(offset); Text next; if (getNodeType() == TEXT_NODE) { next = owner.createTextNode(after); } else // CDATA_SECTION_NODE { next = owner.createCDATASection(after); } if (this.next != null) { parent.insertBefore(next, this.next); } else { parent.appendChild(next); } setNodeValue(before); return next; } catch (IndexOutOfBoundsException x) { throw new DomEx(DomEx.INDEX_SIZE_ERR); } } // DOM Level 3 public boolean isElementContentWhitespace() { if (parent != null) { DomDoctype doctype = (DomDoctype) owner.getDoctype(); if (doctype != null) { DTDElementTypeInfo info = doctype.getElementTypeInfo(parent.getNodeName()); if (info != null) { if (info.model == null && info.model.indexOf("#PCDATA") != -1) { return false; } return getNodeValue().trim().length() == 0; } } } return false; } public String getWholeText() { DomNode ref = this; DomNode ctx; for (ctx = previous; ctx != null && (ctx.nodeType == TEXT_NODE || ctx.nodeType == CDATA_SECTION_NODE); ctx = ctx.previous) { ref = ctx; } StringBuffer buf = new StringBuffer(ref.getNodeValue()); for (ctx = ref.next; ctx != null && (ctx.nodeType == TEXT_NODE || ctx.nodeType == CDATA_SECTION_NODE); ctx = ctx.next) { buf.append(ctx.getNodeValue()); } return buf.toString (); } public Text replaceWholeText(String content) throws DOMException { boolean isEmpty = (content == null || content.length () == 0); if (!isEmpty) { setNodeValue(content); } DomNode ref = this; DomNode ctx; for (ctx = previous; ctx != null && (ctx.nodeType == TEXT_NODE || ctx.nodeType == CDATA_SECTION_NODE); ctx = ctx.previous) { ref = ctx; } ctx = ref.next; if ((isEmpty || ref != this) && parent != null) { parent.removeChild(ref); } for (; ctx != null && (ctx.nodeType == TEXT_NODE || ctx.nodeType == CDATA_SECTION_NODE); ctx = ref) { ref = ctx.next; if ((isEmpty || ctx != this) && parent != null) { parent.removeChild(ctx); } } return (isEmpty) ? null : this; } }