| /* |
| * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| /* |
| * $Id: Utils.java,v 1.14 2005/09/23 19:49:20 mullan Exp $ |
| */ |
| package org.jcp.xml.dsig.internal.dom; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.InputStream; |
| import java.io.IOException; |
| import java.util.*; |
| import org.w3c.dom.NamedNodeMap; |
| import org.w3c.dom.Node; |
| |
| /** |
| * Miscellaneous static utility methods for use in JSR 105 RI. |
| * |
| * @author Sean Mullan |
| */ |
| public final class Utils { |
| |
| private Utils() {} |
| |
| public static byte[] readBytesFromStream(InputStream is) |
| throws IOException { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| byte[] buf = new byte[1024]; |
| while (true) { |
| int read = is.read(buf); |
| if (read == -1) { // EOF |
| break; |
| } |
| baos.write(buf, 0, read); |
| if (read < 1024) { |
| break; |
| } |
| } |
| return baos.toByteArray(); |
| } |
| |
| /** |
| * Converts an Iterator to a Set of Nodes, according to the XPath |
| * Data Model. |
| * |
| * @param i the Iterator |
| * @return the Set of Nodes |
| */ |
| static Set toNodeSet(Iterator i) { |
| Set nodeSet = new HashSet(); |
| while (i.hasNext()) { |
| Node n = (Node) i.next(); |
| nodeSet.add(n); |
| // insert attributes nodes to comply with XPath |
| if (n.getNodeType() == Node.ELEMENT_NODE) { |
| NamedNodeMap nnm = n.getAttributes(); |
| for (int j = 0, length = nnm.getLength(); j < length; j++) { |
| nodeSet.add(nnm.item(j)); |
| } |
| } |
| } |
| return nodeSet; |
| } |
| |
| /** |
| * Returns the ID from a same-document URI (ex: "#id") |
| */ |
| public static String parseIdFromSameDocumentURI(String uri) { |
| if (uri.length() == 0) { |
| return null; |
| } |
| String id = uri.substring(1); |
| if (id != null && id.startsWith("xpointer(id(")) { |
| int i1 = id.indexOf('\''); |
| int i2 = id.indexOf('\'', i1+1); |
| id = id.substring(i1+1, i2); |
| } |
| return id; |
| } |
| |
| /** |
| * Returns true if uri is a same-document URI, false otherwise. |
| */ |
| public static boolean sameDocumentURI(String uri) { |
| return (uri != null && (uri.length() == 0 || uri.charAt(0) == '#')); |
| } |
| } |