| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Copyright 2005 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| /* |
| * Copyright 2005-2008 Sun Microsystems, Inc. All rights reserved. |
| */ |
| /* |
| * $Id: Utils.java,v 1.2 2008/07/24 15:20:32 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) == '#')); |
| } |
| } |