/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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
- *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ *
+ * 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.
*/
-
package org.apache.catalina.tribes.util;
import java.text.MessageFormat;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
-import java.net.URLClassLoader;
/**
* An internationalization / localization helper class which reduces
* <p>Please see the documentation for java.util.ResourceBundle for
* more information.
*
+ * @version $Revision$ $Date$
+ *
* @author James Duncan Davidson [duncan@eng.sun.com]
* @author James Todd [gonzo@eng.sun.com]
+ * @author Mel Martinez [mmartinez@g1440.com]
+ * @see java.util.ResourceBundle
*/
public class StringManager {
/**
* The ResourceBundle for this StringManager.
*/
-
private ResourceBundle bundle;
-
- private static org.apache.juli.logging.Log log=
- org.apache.juli.logging.LogFactory.getLog( StringManager.class );
+ private Locale locale;
/**
* Creates a new StringManager for a given package. This is a
*
* @param packageName Name of package to create StringManager for.
*/
-
private StringManager(String packageName) {
String bundleName = packageName + ".LocalStrings";
try {
- bundle = ResourceBundle.getBundle(bundleName);
- return;
+ bundle = ResourceBundle.getBundle(bundleName, Locale.getDefault());
} catch( MissingResourceException ex ) {
- // Try from the current loader ( that's the case for trusted apps )
- ClassLoader cl=Thread.currentThread().getContextClassLoader();
+ // Try from the current loader (that's the case for trusted apps)
+ // Should only be required if using a TC5 style classloader structure
+ // where common != shared != server
+ ClassLoader cl = Thread.currentThread().getContextClassLoader();
if( cl != null ) {
try {
- bundle=ResourceBundle.getBundle(bundleName, Locale.getDefault(), cl);
- return;
+ bundle = ResourceBundle.getBundle(
+ bundleName, Locale.getDefault(), cl);
} catch(MissingResourceException ex2) {
+ // Ignore
}
}
- if( cl==null )
- cl=this.getClass().getClassLoader();
-
- if (log.isDebugEnabled())
- log.debug("Can't find resource " + bundleName +
- " " + cl);
- if( cl instanceof URLClassLoader ) {
- if (log.isDebugEnabled())
- log.debug( ((URLClassLoader)cl).getURLs());
- }
+ }
+ // Get the actual locale, which may be different from the requested one
+ if (bundle != null) {
+ locale = bundle.getLocale();
}
}
/**
- * Get a string from the underlying resource bundle.
- *
- * @param key The resource name
+ Get a string from the underlying resource bundle or return
+ null if the String is not found.
+
+ @param key to desired resource String
+ @return resource String matching <i>key</i> from underlying
+ bundle or null if not found.
+ @throws IllegalArgumentException if <i>key</i> is null.
*/
public String getString(String key) {
- return MessageFormat.format(getStringInternal(key), (Object [])null);
- }
-
+ if(key == null){
+ String msg = "key may not have a null value";
- protected String getStringInternal(String key) {
- if (key == null) {
- String msg = "key is null";
-
- throw new NullPointerException(msg);
+ throw new IllegalArgumentException(msg);
}
String str = null;
- if( bundle==null )
- return key;
try {
str = bundle.getString(key);
- } catch (MissingResourceException mre) {
- str = "Cannot find message associated with key '" + key + "'";
+ } catch(MissingResourceException mre) {
+ //bad: shouldn't mask an exception the following way:
+ // str = "[cannot find message associated with key '" + key + "' due to " + mre + "]";
+ // because it hides the fact that the String was missing
+ // from the calling code.
+ //good: could just throw the exception (or wrap it in another)
+ // but that would probably cause much havoc on existing
+ // code.
+ //better: consistent with container pattern to
+ // simply return null. Calling code can then do
+ // a null check.
+ str = null;
}
return str;
* Get a string from the underlying resource bundle and format
* it with the given set of arguments.
*
- * @param key The resource name
- * @param args Formatting directives
+ * @param key
+ * @param args
*/
-
- public String getString(String key, Object[] args) {
- String iString = null;
- String value = getStringInternal(key);
-
- // this check for the runtime exception is some pre 1.1.6
- // VM's don't do an automatic toString() on the passed in
- // objects and barf out
-
- try {
- // ensure the arguments are not null so pre 1.2 VM's don't barf
- Object nonNullArgs[] = args;
- for (int i=0; i<args.length; i++) {
- if (args[i] == null) {
- if (nonNullArgs==args) nonNullArgs = args.clone();
- nonNullArgs[i] = "null";
- }
- }
-
- iString = MessageFormat.format(value, nonNullArgs);
- } catch (IllegalArgumentException iae) {
- StringBuilder buf = new StringBuilder();
- buf.append(value);
- for (int i = 0; i < args.length; i++) {
- buf.append(" arg[" + i + "]=" + args[i]);
- }
- iString = buf.toString();
+ public String getString(final String key, final Object... args) {
+ String value = getString(key);
+ if (value == null) {
+ value = key;
}
- return iString;
- }
-
- /**
- * Get a string from the underlying resource bundle and format it
- * with the given object argument. This argument can of course be
- * a String object.
- *
- * @param key The resource name
- * @param arg Formatting directive
- */
-
- public String getString(String key, Object arg) {
- Object[] args = new Object[] {arg};
- return getString(key, args);
- }
-
- /**
- * Get a string from the underlying resource bundle and format it
- * with the given object arguments. These arguments can of course
- * be String objects.
- *
- * @param key The resource name
- * @param arg1 Formatting directive
- * @param arg2 Formatting directive
- */
- public String getString(String key, Object arg1, Object arg2) {
- Object[] args = new Object[] {arg1, arg2};
- return getString(key, args);
+ MessageFormat mf = new MessageFormat(value);
+ mf.setLocale(locale);
+ return mf.format(args, new StringBuffer(), null).toString();
}
- /**
- * Get a string from the underlying resource bundle and format it
- * with the given object arguments. These arguments can of course
- * be String objects.
- *
- * @param key The resource name
- * @param arg1 Formatting directive
- * @param arg2 Formatting directive
- * @param arg3 Formatting directive
- */
-
- public String getString(String key, Object arg1, Object arg2,
- Object arg3) {
- Object[] args = new Object[] {arg1, arg2, arg3};
- return getString(key, args);
- }
-
- /**
- * Get a string from the underlying resource bundle and format it
- * with the given object arguments. These arguments can of course
- * be String objects.
- *
- * @param key The resource name
- * @param arg1 Formatting directive
- * @param arg2 Formatting directive
- * @param arg3 Formatting directive
- * @param arg4 Formatting directive
- */
-
- public String getString(String key, Object arg1, Object arg2,
- Object arg3, Object arg4) {
- Object[] args = new Object[] {arg1, arg2, arg3, arg4};
- return getString(key, args);
- }
// --------------------------------------------------------------
// STATIC SUPPORT METHODS
// --------------------------------------------------------------
private static Hashtable<String, StringManager> managers =
- new Hashtable<String,StringManager>();
+ new Hashtable<String, StringManager>();
/**
* Get the StringManager for a particular package. If a manager for
*
* @param packageName The package name
*/
-
public synchronized static final StringManager getManager(String packageName) {
StringManager mgr = managers.get(packageName);
-
if (mgr == null) {
mgr = new StringManager(packageName);
managers.put(packageName, mgr);
}
return mgr;
}
+
}
/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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
- *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
- */
-
+ *
+ * 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.
+ */
package org.apache.naming;
import java.text.MessageFormat;
import java.util.Hashtable;
+import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
* <p>Please see the documentation for java.util.ResourceBundle for
* more information.
*
+ * @version $Revision$ $Date$
+ *
* @author James Duncan Davidson [duncan@eng.sun.com]
* @author James Todd [gonzo@eng.sun.com]
+ * @author Mel Martinez [mmartinez@g1440.com]
+ * @see java.util.ResourceBundle
*/
public class StringManager {
/**
* The ResourceBundle for this StringManager.
*/
-
private ResourceBundle bundle;
+ private Locale locale;
/**
* Creates a new StringManager for a given package. This is a
*
* @param packageName Name of package to create StringManager for.
*/
-
private StringManager(String packageName) {
- String bundleName = packageName + ".LocalStrings";
- bundle = ResourceBundle.getBundle(bundleName);
+ String bundleName = packageName + ".LocalStrings";
+ try {
+ bundle = ResourceBundle.getBundle(bundleName, Locale.getDefault());
+ } catch( MissingResourceException ex ) {
+ // Try from the current loader (that's the case for trusted apps)
+ // Should only be required if using a TC5 style classloader structure
+ // where common != shared != server
+ ClassLoader cl = Thread.currentThread().getContextClassLoader();
+ if( cl != null ) {
+ try {
+ bundle = ResourceBundle.getBundle(
+ bundleName, Locale.getDefault(), cl);
+ } catch(MissingResourceException ex2) {
+ // Ignore
+ }
+ }
+ }
+ // Get the actual locale, which may be different from the requested one
+ if (bundle != null) {
+ locale = bundle.getLocale();
+ }
}
/**
- * Get a string from the underlying resource bundle.
- *
- * @param key
+ Get a string from the underlying resource bundle or return
+ null if the String is not found.
+
+ @param key to desired resource String
+ @return resource String matching <i>key</i> from underlying
+ bundle or null if not found.
+ @throws IllegalArgumentException if <i>key</i> is null.
*/
-
public String getString(String key) {
- if (key == null) {
- String msg = "key is null";
+ if(key == null){
+ String msg = "key may not have a null value";
- throw new NullPointerException(msg);
+ throw new IllegalArgumentException(msg);
}
String str = null;
try {
- str = bundle.getString(key);
- } catch (MissingResourceException mre) {
- str = "Cannot find message associated with key '" + key + "'";
+ str = bundle.getString(key);
+ } catch(MissingResourceException mre) {
+ //bad: shouldn't mask an exception the following way:
+ // str = "[cannot find message associated with key '" + key + "' due to " + mre + "]";
+ // because it hides the fact that the String was missing
+ // from the calling code.
+ //good: could just throw the exception (or wrap it in another)
+ // but that would probably cause much havoc on existing
+ // code.
+ //better: consistent with container pattern to
+ // simply return null. Calling code can then do
+ // a null check.
+ str = null;
}
return str;
* @param key
* @param args
*/
-
- public String getString(String key, Object[] args) {
- String iString = null;
+ public String getString(final String key, final Object... args) {
String value = getString(key);
+ if (value == null) {
+ value = key;
+ }
- // this check for the runtime exception is some pre 1.1.6
- // VM's don't do an automatic toString() on the passed in
- // objects and barf out
-
- try {
- // ensure the arguments are not null so pre 1.2 VM's don't barf
- Object nonNullArgs[] = args;
- for (int i=0; i<args.length; i++) {
- if (args[i] == null) {
- if (nonNullArgs==args) nonNullArgs = args.clone();
- nonNullArgs[i] = "null";
- }
- }
-
- iString = MessageFormat.format(value, nonNullArgs);
- } catch (IllegalArgumentException iae) {
- StringBuilder buf = new StringBuilder();
- buf.append(value);
- for (int i = 0; i < args.length; i++) {
- buf.append(" arg[" + i + "]=" + args[i]);
- }
- iString = buf.toString();
- }
- return iString;
- }
-
- /**
- * Get a string from the underlying resource bundle and format it
- * with the given object argument. This argument can of course be
- * a String object.
- *
- * @param key
- * @param arg
- */
-
- public String getString(String key, Object arg) {
- Object[] args = new Object[] {arg};
- return getString(key, args);
- }
-
- /**
- * Get a string from the underlying resource bundle and format it
- * with the given object arguments. These arguments can of course
- * be String objects.
- *
- * @param key
- * @param arg1
- * @param arg2
- */
-
- public String getString(String key, Object arg1, Object arg2) {
- Object[] args = new Object[] {arg1, arg2};
- return getString(key, args);
- }
-
- /**
- * Get a string from the underlying resource bundle and format it
- * with the given object arguments. These arguments can of course
- * be String objects.
- *
- * @param key
- * @param arg1
- * @param arg2
- * @param arg3
- */
-
- public String getString(String key, Object arg1, Object arg2,
- Object arg3) {
- Object[] args = new Object[] {arg1, arg2, arg3};
- return getString(key, args);
+ MessageFormat mf = new MessageFormat(value);
+ mf.setLocale(locale);
+ return mf.format(args, new StringBuffer(), null).toString();
}
-
- /**
- * Get a string from the underlying resource bundle and format it
- * with the given object arguments. These arguments can of course
- * be String objects.
- *
- * @param key
- * @param arg1
- * @param arg2
- * @param arg3
- * @param arg4
- */
- public String getString(String key, Object arg1, Object arg2,
- Object arg3, Object arg4) {
- Object[] args = new Object[] {arg1, arg2, arg3, arg4};
- return getString(key, args);
- }
// --------------------------------------------------------------
// STATIC SUPPORT METHODS
// --------------------------------------------------------------
- private static Hashtable<String,StringManager> managers =
- new Hashtable<String,StringManager>();
+ private static Hashtable<String, StringManager> managers =
+ new Hashtable<String, StringManager>();
/**
* Get the StringManager for a particular package. If a manager for
* a package already exists, it will be reused, else a new
* StringManager will be created and returned.
*
- * @param packageName
+ * @param packageName The package name
*/
-
public synchronized static final StringManager getManager(String packageName) {
- StringManager mgr = managers.get(packageName);
- if (mgr == null) {
- mgr = new StringManager(packageName);
- managers.put(packageName, mgr);
- }
- return mgr;
+ StringManager mgr = managers.get(packageName);
+ if (mgr == null) {
+ mgr = new StringManager(packageName);
+ managers.put(packageName, mgr);
+ }
+ return mgr;
}
+
}
projects / tomcat7.0 / commitdiff