001: /*
002: The contents of this file are subject to the Common Public Attribution License
003: Version 1.0 (the "License"); you may not use this file except in compliance with
004: the License. You may obtain a copy of the License at
005: http://www.projity.com/license . The License is based on the Mozilla Public
006: License Version 1.1 but Sections 14 and 15 have been added to cover use of
007: software over a computer network and provide for limited attribution for the
008: Original Developer. In addition, Exhibit A has been modified to be consistent
009: with Exhibit B.
010:
011: Software distributed under the License is distributed on an "AS IS" basis,
012: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
013: specific language governing rights and limitations under the License. The
014: Original Code is OpenProj. The Original Developer is the Initial Developer and
015: is Projity, Inc. All portions of the code written by Projity are Copyright (c)
016: 2006, 2007. All Rights Reserved. Contributors Projity, Inc.
017:
018: Alternatively, the contents of this file may be used under the terms of the
019: Projity End-User License Agreeement (the Projity License), in which case the
020: provisions of the Projity License are applicable instead of those above. If you
021: wish to allow use of your version of this file only under the terms of the
022: Projity License and not to allow others to use your version of this file under
023: the CPAL, indicate your decision by deleting the provisions above and replace
024: them with the notice and other provisions required by the Projity License. If
025: you do not delete the provisions above, a recipient may use your version of this
026: file under either the CPAL or the Projity License.
027:
028: [NOTE: The text of this license may differ slightly from the text of the notices
029: in Exhibits A and B of the license at http://www.projity.com/license. You should
030: use the latest text at http://www.projity.com/license for your modifications.
031: You may not remove this license text from the source files.]
032:
033: Attribution Information: Attribution Copyright Notice: Copyright � 2006, 2007
034: Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj,
035: an open source solution from Projity. Attribution URL: http://www.projity.com
036: Graphic Image as provided in the Covered Code as file: openproj_logo.png with
037: alternatives listed on http://www.projity.com/logo
038:
039: Display of Attribution Information is required in Larger Works which are defined
040: in the CPAL as a work which combines Covered Code or portions thereof with code
041: not governed by the terms of the CPAL. However, in addition to the other notice
042: obligations, all copies of the Covered Code in Executable and Source Code form
043: distributed must, as a form of attribution of the original author, include on
044: each user interface screen the "OpenProj" logo visible to all users. The
045: OpenProj logo should be located horizontally aligned with the menu bar and left
046: justified on the top left of the screen adjacent to the File menu. The logo
047: must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it
048: must direct them back to http://www.projity.com.
049: */
050: package com.projity.configuration;
051:
052: import java.io.ByteArrayInputStream;
053: import java.io.IOException;
054: import java.io.InputStream;
055: import java.net.URL;
056:
057: import org.apache.commons.digester.Digester;
058: import org.xml.sax.SAXException;
059:
060: import com.projity.contrib.util.Log;
061: import com.projity.contrib.util.LogFactory;
062:
063: /**
064: * Reads configuration xml file using the digester
065: */
066: public class ConfigurationReader {
067: static Log log = LogFactory.getLog(ConfigurationReader.class);
068:
069: public static ProvidesDigesterEvents read(String configurationUrl,
070: ProvidesDigesterEvents root) {
071: URL url = ConfigurationReader.class.getClassLoader()
072: .getResource(configurationUrl);
073: if (url == null) {
074: log.fatal("could not find xml configuration file: "
075: + configurationUrl);
076: return null;
077: }
078: //log.info("Reading configuration from " + url + " " + new java.util.Date());
079: ProvidesDigesterEvents result = null;
080: try {
081: result = readStream(url.openStream(), root);
082: } catch (IOException e) {
083: log.error("Could not read field xml configuration file "
084: + url);
085: e.printStackTrace();
086: }
087: //log.info("Done reading configuration from " + url + " " + new java.util.Date());
088: return result;
089: }
090:
091: public static ProvidesDigesterEvents readString(String str,
092: ProvidesDigesterEvents root) {
093: if (str == null)
094: return root;
095: ByteArrayInputStream in = new ByteArrayInputStream(str
096: .getBytes());
097: return ConfigurationReader.readStream(in, root);
098: }
099:
100: public static ProvidesDigesterEvents readStream(InputStream stream,
101: ProvidesDigesterEvents root) {
102: ProvidesDigesterEvents result = null;
103: Digester digester = new Digester();
104: digester.setNamespaceAware(true); // this is so we can use the JADE parser instead which is faster
105:
106: digester.setValidating(false);
107: digester.push(root);
108: root.addDigesterEvents(digester);
109:
110: try {
111: result = (ProvidesDigesterEvents) digester.parse(stream);
112: } catch (IOException e1) {
113: log.error("Could not read field xml configuration file.");
114: // TODO Auto-generated catch block
115: e1.printStackTrace();
116: } catch (SAXException e1) {
117: log.error("Error parsing field xml configuration file");
118: // TODO Auto-generated catch block
119: e1.printStackTrace();
120: }
121: return result;
122: }
123: }
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