first commit

hrmsEjb/org/apache/struts/util/MessageResources.java

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+package org.apache.struts.util;
+
+import java.io.Serializable;
+import java.text.MessageFormat;
+import java.util.HashMap;
+import java.util.Locale;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+public abstract class MessageResources implements Serializable {
+  protected static Log log = LogFactory.getLog(MessageResources.class);
+  
+  protected String config = null;
+  
+  public String getConfig() {
+    return this.config;
+  }
+  
+  protected Locale defaultLocale = Locale.getDefault();
+  
+  protected MessageResourcesFactory factory = null;
+  
+  public MessageResourcesFactory getFactory() {
+    return this.factory;
+  }
+  
+  protected HashMap formats = new HashMap();
+  
+  protected boolean returnNull = false;
+  
+  public boolean getReturnNull() {
+    return this.returnNull;
+  }
+  
+  public void setReturnNull(boolean returnNull) {
+    this.returnNull = returnNull;
+  }
+  
+  public MessageResources(MessageResourcesFactory factory, String config) {
+    this(factory, config, false);
+  }
+  
+  public MessageResources(MessageResourcesFactory factory, String config, boolean returnNull) {
+    this.factory = factory;
+    this.config = config;
+    this.returnNull = returnNull;
+  }
+  
+  public String getMessage(String key) {
+    return getMessage((Locale)null, key);
+  }
+  
+  public String getMessage(String key, Object[] args) {
+    return getMessage((Locale)null, key, args);
+  }
+  
+  public String getMessage(String key, Object arg0) {
+    return getMessage((Locale)null, key, arg0);
+  }
+  
+  public String getMessage(String key, Object arg0, Object arg1) {
+    return getMessage((Locale)null, key, arg0, arg1);
+  }
+  
+  public String getMessage(String key, Object arg0, Object arg1, Object arg2) {
+    return getMessage((Locale)null, key, arg0, arg1, arg2);
+  }
+  
+  public String getMessage(String key, Object arg0, Object arg1, Object arg2, Object arg3) {
+    return getMessage((Locale)null, key, arg0, arg1, arg2, arg3);
+  }
+  
+  public String getMessage(Locale locale, String key, Object[] args) {
+    if (locale == null)
+      locale = this.defaultLocale; 
+    MessageFormat format = null;
+    String formatKey = messageKey(locale, key);
+    synchronized (this.formats) {
+      format = (MessageFormat)this.formats.get(formatKey);
+      if (format == null) {
+        String formatString = getMessage(locale, key);
+        if (formatString == null) {
+          if (this.returnNull)
+            return null; 
+          return "???" + formatKey + "???";
+        } 
+        format = new MessageFormat(escape(formatString));
+        this.formats.put(formatKey, format);
+      } 
+    } 
+    return format.format(args);
+  }
+  
+  public String getMessage(Locale locale, String key, Object arg0) {
+    Object[] args = new Object[1];
+    args[0] = arg0;
+    return getMessage(locale, key, args);
+  }
+  
+  public String getMessage(Locale locale, String key, Object arg0, Object arg1) {
+    Object[] args = new Object[2];
+    args[0] = arg0;
+    args[1] = arg1;
+    return getMessage(locale, key, args);
+  }
+  
+  public String getMessage(Locale locale, String key, Object arg0, Object arg1, Object arg2) {
+    Object[] args = new Object[3];
+    args[0] = arg0;
+    args[1] = arg1;
+    args[2] = arg2;
+    return getMessage(locale, key, args);
+  }
+  
+  public String getMessage(Locale locale, String key, Object arg0, Object arg1, Object arg2, Object arg3) {
+    Object[] args = new Object[4];
+    args[0] = arg0;
+    args[1] = arg1;
+    args[2] = arg2;
+    args[3] = arg3;
+    return getMessage(locale, key, args);
+  }
+  
+  public boolean isPresent(String key) {
+    return isPresent(null, key);
+  }
+  
+  public boolean isPresent(Locale locale, String key) {
+    String message = getMessage(locale, key);
+    if (message == null)
+      return false; 
+    if (message.startsWith("???") && message.endsWith("???"))
+      return false; 
+    return true;
+  }
+  
+  protected String escape(String string) {
+    if (string == null || string.indexOf('\'') < 0)
+      return string; 
+    int n = string.length();
+    StringBuffer sb = new StringBuffer(n);
+    for (int i = 0; i < n; i++) {
+      char ch = string.charAt(i);
+      if (ch == '\'')
+        sb.append('\''); 
+      sb.append(ch);
+    } 
+    return sb.toString();
+  }
+  
+  protected String localeKey(Locale locale) {
+    if (locale == null)
+      return ""; 
+    return locale.toString();
+  }
+  
+  protected String messageKey(Locale locale, String key) {
+    return localeKey(locale) + "." + key;
+  }
+  
+  protected String messageKey(String localeKey, String key) {
+    return localeKey + "." + key;
+  }
+  
+  protected static MessageResourcesFactory defaultFactory = null;
+  
+  public static synchronized MessageResources getMessageResources(String config) {
+    if (defaultFactory == null)
+      defaultFactory = MessageResourcesFactory.createFactory(); 
+    return defaultFactory.createResources(config);
+  }
+  
+  public void log(String message) {
+    log.debug(message);
+  }
+  
+  public void log(String message, Throwable throwable) {
+    log.debug(message, throwable);
+  }
+  
+  public abstract String getMessage(Locale paramLocale, String paramString);
+}