/
XSLMessages.java
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/
XSLMessages.java
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/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xalan" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 1999, Lotus
* Development Corporation., http://www.lotus.com. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.xalan.res;
import org.apache.xml.utils.res.XResourceBundleBase;
import java.util.Locale;
import java.util.ResourceBundle;
import java.util.ListResourceBundle;
import java.util.MissingResourceException;
import org.apache.xpath.res.XPATHErrorResources;
/**
* <meta name="usage" content="internal"/>
* Sets things up for issuing error messages. This class is misnamed, and
* should be called XalanMessages, or some such.
*/
public class XSLMessages
{
/** The local object to use. */
private Locale fLocale = Locale.getDefault();
/** The language specific resource object for Xalan messages. */
private static XResourceBundleBase XSLTBundle = null;
/** The language specific resource object for XPath messages. */
private static XResourceBundleBase XPATHBundle = null;
/** The class name of the Xalan error message string table. */
private static final String XSLT_ERROR_RESOURCES =
"org.apache.xalan.res.XSLTErrorResources";
/** The class name of the XPath error message string table. */
private static final String XPATH_ERROR_RESOURCES =
"org.apache.xpath.res.XPATHErrorResources";
/** String to use if a bad message code is used. */
private static String BAD_CODE = "BAD_CODE";
/** String to use if the message format operation failed. */
private static String FORMAT_FAILED = "FORMAT_FAILED";
/**
* Set the Locale object to use.
*
* @param locale non-null reference to Locale object.
*/
public void setLocale(Locale locale)
{
fLocale = locale;
}
/**
* Get the Locale object that is being used.
*
* @return non-null reference to Locale object.
*/
public Locale getLocale()
{
return fLocale;
}
/**
* Creates a message from the specified key and replacement
* arguments, localized to the given locale.
*
* @param errorCode The key for the message text.
* @param args The arguments to be used as replacement text
* in the message created.
*
* @return The formatted warning string.
*/
public static final String createXPATHWarning(int errorCode, Object args[]) //throws Exception
{
if (XPATHBundle == null)
XPATHBundle =
(XResourceBundleBase) loadResourceBundle(XPATH_ERROR_RESOURCES);
XResourceBundleBase fResourceBundle = XPATHBundle;
if (fResourceBundle != null)
{
String msgKey = fResourceBundle.getWarningKey(errorCode);
return createXPATHMsg(fResourceBundle, msgKey, args);
}
else
return "Could not load any resource bundles.";
}
/**
* Creates a message from the specified key and replacement
* arguments, localized to the given locale.
*
* @param errorCode The key for the message text.
* @param args The arguments to be used as replacement text
* in the message created.
*
* @return The formatted message string.
*/
public static final String createXPATHMessage(int errorCode, Object args[]) //throws Exception
{
if (XPATHBundle == null)
XPATHBundle =
(XResourceBundleBase) loadResourceBundle(XPATH_ERROR_RESOURCES);
XResourceBundleBase fResourceBundle = XPATHBundle;
if (fResourceBundle != null)
{
String msgKey = fResourceBundle.getMessageKey(errorCode);
return createXPATHMsg(fResourceBundle, msgKey, args);
}
else
return "Could not load any resource bundles.";
}
/**
* Creates a message from the specified key and replacement
* arguments, localized to the given locale.
*
* @param errorCode The key for the message text.
*
* @param fResourceBundle The resource bundle to use.
* @param msgKey The message key to use.
* @param args The arguments to be used as replacement text
* in the message created.
*
* @return The formatted message string.
*/
public static final String createXPATHMsg(XResourceBundleBase fResourceBundle,
String msgKey, Object args[]) //throws Exception
{
String fmsg = null;
boolean throwex = false;
String msg = null;
if (msgKey != null)
msg = fResourceBundle.getString(msgKey);
if (msg == null)
{
msg = fResourceBundle.getString(XPATHErrorResources.BAD_CODE);
throwex = true;
}
if (args != null)
{
try
{
// Do this to keep format from crying.
// This is better than making a bunch of conditional
// code all over the place.
int n = args.length;
for (int i = 0; i < n; i++)
{
if (null == args[i])
args[i] = "";
}
fmsg = java.text.MessageFormat.format(msg, args);
}
catch (Exception e)
{
fmsg = fResourceBundle.getString(XPATHErrorResources.FORMAT_FAILED);
fmsg += " " + msg;
}
}
else
fmsg = msg;
if (throwex)
{
throw new RuntimeException(fmsg);
}
return fmsg;
}
/**
* Creates a message from the specified key and replacement
* arguments, localized to the given locale.
*
* @param errorCode The key for the message text.
* @param args The arguments to be used as replacement text
* in the message created.
*
* @return The formatted warning string.
*/
public static final String createWarning(int errorCode, Object args[]) //throws Exception
{
if (XSLTBundle == null)
XSLTBundle =
(XResourceBundleBase) loadResourceBundle(XSLT_ERROR_RESOURCES);
XResourceBundleBase fResourceBundle = XSLTBundle;
if (fResourceBundle != null)
{
String msgKey = fResourceBundle.getWarningKey(errorCode);
return createMsg(fResourceBundle, msgKey, args);
}
else
return "Could not load any resource bundles.";
}
/**
* Creates a message from the specified key and replacement
* arguments, localized to the given locale.
*
* @param errorCode The key for the message text.
* @param args The arguments to be used as replacement text
* in the message created.
*
* @return The formatted message string.
*/
public static final String createMessage(int errorCode, Object args[]) //throws Exception
{
if (XSLTBundle == null)
XSLTBundle =
(XResourceBundleBase) loadResourceBundle(XSLT_ERROR_RESOURCES);
XResourceBundleBase fResourceBundle = XSLTBundle;
if (fResourceBundle != null)
{
String msgKey = fResourceBundle.getMessageKey(errorCode);
return createMsg(fResourceBundle, msgKey, args);
}
else
return "Could not load any resource bundles.";
}
/**
* Creates a message from the specified key and replacement
* arguments, localized to the given locale.
*
* @param errorCode The key for the message text.
*
* @param fResourceBundle The resource bundle to use.
* @param msgKey The message key to use.
* @param args The arguments to be used as replacement text
* in the message created.
*
* @return The formatted message string.
*/
public static final String createMsg(XResourceBundleBase fResourceBundle,
String msgKey, Object args[]) //throws Exception
{
String fmsg = null;
boolean throwex = false;
String msg = null;
if (msgKey != null)
msg = fResourceBundle.getString(msgKey);
if (msg == null)
{
msg = fResourceBundle.getString(BAD_CODE);
throwex = true;
}
if (args != null)
{
try
{
// Do this to keep format from crying.
// This is better than making a bunch of conditional
// code all over the place.
int n = args.length;
for (int i = 0; i < n; i++)
{
if (null == args[i])
args[i] = "";
}
fmsg = java.text.MessageFormat.format(msg, args);
}
catch (Exception e)
{
fmsg = fResourceBundle.getString(FORMAT_FAILED);
fmsg += " " + msg;
}
}
else
fmsg = msg;
if (throwex)
{
throw new RuntimeException(fmsg);
}
return fmsg;
}
/**
* Creates a message from the specified key and replacement
* arguments, localized to the given locale.
*
* @param bundleName The name of the resource bundle to be
* used.
* @param errorCode The key for the message text.
* @param args The arguments to be used as replacement text
* in the message created.
*
* @return The formatted message string.
*
* @throws Exception if the message can not be loaded.
*/
public String createMessage(String bundleName, int errorCode, Object args[])
throws Exception
{
boolean throwex = false;
int majorCode;
int minorCode;
String fmsg = null;
XResourceBundleBase aResourceBundle = null;
aResourceBundle = (XResourceBundleBase) loadResourceBundle(bundleName);
String msgKey = aResourceBundle.getMessageKey(errorCode);
String msg = null;
if (msgKey != null)
msg = aResourceBundle.getString(msgKey);
if (msg == null)
{
msg = aResourceBundle.getString(BAD_CODE);
throwex = true;
}
if (args != null)
{
try
{
// Do this to keep format from crying.
// This is better than making a bunch of conditional
// code all over the place.
int n = args.length;
for (int i = 0; i < n; i++)
{
if (null == args[i])
args[i] = "";
}
fmsg = java.text.MessageFormat.format(msg, args);
}
catch (Exception e)
{
fmsg = aResourceBundle.getString(FORMAT_FAILED);
fmsg += " " + msg;
}
}
else
fmsg = msg;
if (throwex)
{
throw new RuntimeException(fmsg);
}
return fmsg;
}
/**
* Return a named ResourceBundle for a particular locale. This method mimics the behavior
* of ResourceBundle.getBundle().
*
* @param res the name of the resource to load.
* @param locale the locale to prefer when searching for the bundle
*
* @param className The class name of the resource bundle.
* @return the ResourceBundle
* @throws MissingResourceException
*/
public static final ListResourceBundle loadResourceBundle(String className)
throws MissingResourceException
{
Locale locale = Locale.getDefault();
// String suffix = getResourceSuffix(locale);
try
{
//System.out.println("resource " +className+suffix);
// first try with the given locale
return (ListResourceBundle) ResourceBundle.getBundle(className, locale);
}
catch (MissingResourceException e)
{
try // try to fall back to en_US if we can't load
{
// Since we can't find the localized property file,
// fall back to en_US.
return (ListResourceBundle) ResourceBundle.getBundle(
XSLT_ERROR_RESOURCES, new Locale("en", "US"));
}
catch (MissingResourceException e2)
{
// Now we are really in trouble.
// very bad, definitely very bad...not going to get very far
throw new MissingResourceException(
"Could not load any resource bundles." + className, className, "");
}
}
}
/**
* Return the resource file suffic for the indicated locale
* For most locales, this will be based the language code. However
* for Chinese, we do distinguish between Taiwan and PRC
*
* @param locale the locale
* @return an String suffix which can be appended to a resource name
*/
private static final String getResourceSuffix(Locale locale)
{
String suffix = "_" + locale.getLanguage();
String country = locale.getCountry();
if (country.equals("TW"))
suffix += "_" + country;
return suffix;
}
}