| /* GnomeXPathResult.java - |
| Copyright (C) 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., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 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.libxmlj.dom; |
| |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.xpath.XPathException; |
| import org.w3c.dom.xpath.XPathResult; |
| |
| /** |
| * An XPath result object implemented in libxml2. |
| * |
| * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> |
| */ |
| class GnomeXPathResult |
| implements XPathResult |
| { |
| |
| /** |
| * xmlXPathObjectPtr |
| */ |
| final Object obj; |
| |
| GnomeXPathResult (Object obj) |
| { |
| this.obj = obj; |
| } |
| |
| protected void finalize () |
| { |
| free (obj); |
| } |
| |
| private native void free (Object obj); |
| |
| public native short getResultType (); |
| |
| public native double getNumberValue () |
| throws XPathException; |
| |
| public native String getStringValue () |
| throws XPathException; |
| |
| public native boolean getBooleanValue () |
| throws XPathException; |
| |
| public native Node getSingleNodeValue () |
| throws XPathException; |
| |
| public native boolean getInvalidIteratorState(); |
| |
| public native int getSnapshotLength () |
| throws XPathException; |
| |
| public native Node iterateNext () |
| throws XPathException, DOMException; |
| |
| public native Node snapshotItem (int index) |
| throws XPathException; |
| |
| public String toString () |
| { |
| short type = getResultType (); |
| switch (type) |
| { |
| case STRING_TYPE: |
| return getStringValue (); |
| case NUMBER_TYPE: |
| return new Double (getNumberValue ()).toString (); |
| case BOOLEAN_TYPE: |
| return Boolean.valueOf (getBooleanValue ()).toString (); |
| case UNORDERED_NODE_SNAPSHOT_TYPE: |
| int len = getSnapshotLength (); |
| switch (len) { |
| case 0: |
| return "[no matches]"; |
| case 1: |
| return getSingleNodeValue ().toString (); |
| default: |
| StringBuffer buffer = new StringBuffer (); |
| for (int i = 0; i < len; i++) |
| { |
| if (i > 0) |
| { |
| buffer.append (','); |
| } |
| buffer.append (snapshotItem (i)); |
| } |
| return buffer.toString (); |
| } |
| default: |
| return getClass ().getName () + "[type=" + type + ",length=" + |
| getSnapshotLength () + ']'; |
| } |
| } |
| |
| } |