001: package org.tigris.scarab.util;
002:
003: /* ================================================================
004: * Copyright (c) 2003 CollabNet. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions are
008: * met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in the
015: * documentation and/or other materials provided with the distribution.
016: *
017: * 3. The end-user documentation included with the redistribution, if
018: * any, must include the following acknowlegement: "This product includes
019: * software developed by CollabNet (http://www.collab.net/)."
020: * Alternately, this acknowlegement may appear in the software itself, if
021: * and wherever such third-party acknowlegements normally appear.
022: *
023: * 4. The hosted project names must not be used to endorse or promote
024: * products derived from this software without prior written
025: * permission. For written permission, please contact info@collab.net.
026: *
027: * 5. Products derived from this software may not use the "Tigris" name
028: * nor may "Tigris" appear in their names without prior written
029: * permission of CollabNet.
030: *
031: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
032: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
033: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
034: * IN NO EVENT SHALL COLLAB.NET OR ITS CONTRIBUTORS BE LIABLE FOR ANY
035: * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
036: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
037: * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
038: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
039: * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
040: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
041: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
042: *
043: * ====================================================================
044: *
045: * This software consists of voluntary contributions made by many
046: * individuals on behalf of CollabNet.
047: */
048:
049: import java.util.Locale;
050:
051: import org.apache.commons.lang.StringUtils;
052: import org.apache.fulcrum.localization.Localization;
053: import org.apache.turbine.Turbine;
054: import org.tigris.scarab.om.Module;
055:
056: /**
057: * A factory for creating EmailLink's. It defaults to creating
058: * stock EmailLink's, but may be configured to return a subclass
059: * of EmailLink.
060: *
061: * @author <a href="mailto:jmcnally@collab.net">John McNally</a>
062: * @version $Id: EmailLinkFactory.java 9084 2004-04-28 22:28:16Z dabbous $
063: */
064: public class EmailLinkFactory {
065: private static final String LINK_TOOL_KEY = "scarab.email.link.classname";
066:
067: private static final Class linkClass;
068: static {
069: String className = Turbine.getConfiguration().getString(
070: LINK_TOOL_KEY, "");
071: Class c = null;
072: if (StringUtils.isNotEmpty(className)) {
073: try {
074: c = Class.forName(className);
075: } catch (Exception e) {
076: Log.get().warn(
077: "Unable to to create '" + className + '\'', e);
078: }
079: } else {
080: Log.get().info(
081: LINK_TOOL_KEY
082: + " parameter exists, but has no value");
083: }
084:
085: if (c == null) {
086: c = EmailLink.class;
087: }
088:
089: linkClass = c;
090: }
091:
092: public static EmailLink getInstance(Module module) {
093: EmailLink result = null;
094: if (linkClass == null) {
095: result = new EmailLink(module);
096: } else {
097: try {
098: result = (EmailLink) linkClass.newInstance();
099: result.setCurrentModule(module);
100: } catch (Exception e) {
101: Log.get().warn(
102: "Unable to to create '" + linkClass.getName()
103: + "'; will use default link tool.", e);
104: result = new ErrorEmailLink(module);
105: }
106: }
107: return result;
108: }
109:
110: static class ErrorEmailLink extends EmailLink {
111: ErrorEmailLink() {
112: }
113:
114: ErrorEmailLink(Module module) {
115: super (module);
116: }
117:
118: public String toString() {
119: Module module = getCurrentModule();
120: Locale locale = null;
121: if (module != null) {
122: locale = module.getLocale();
123: }
124: if (locale == null) {
125: locale = ScarabConstants.DEFAULT_LOCALE;
126: }
127: return Localization.getString(
128: ScarabConstants.DEFAULT_BUNDLE_NAME, locale,
129: "EmailLinkError");
130: }
131: }
132: }
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