Examples of java.util.Map.containsKey()

java.util.Map.containsKey()
Returns true if this map contains a mapping for the specified key. More formally, returns true if and only if this map contains a mapping for a key k such that (key==null ? k==null : key.equals(k)). (There can be at most one such mapping.) @param key key whose presence in this map is to be tested @return true if this map contains a mapping for the specifiedkey @throws ClassCastException if the key is of an inappropriate type forthis map (optional) @throws NullPointerException if the specified key is null and this mapdoes not permit null keys (optional)

      boolean isThere = sec_content.containsKey("signature" + j);
      while (isThere == true) {
        signature = (String) sec_content.get("signature" + j);
        signatures.put(signature, name);
        j++;
        isThere = sec_content.containsKey("signature" + j);
      }
    }
  }


  /**

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     * listener thread. For now, just shut it down with a control-C.
     */
    public static void main(String argv[]) throws IOException {
        Map args = getArgsFromCommandLine(argv);
        
        if (args.containsKey("usage") || args.containsKey("help")) {
            printUsage();
            return;
        }


        // Check for embedded war

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     * listener thread. For now, just shut it down with a control-C.
     */
    public static void main(String argv[]) throws IOException {
        Map args = getArgsFromCommandLine(argv);
        
        if (args.containsKey("usage") || args.containsKey("help")) {
            printUsage();
            return;
        }


        // Check for embedded war

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        // Check for embedded war
        deployEmbeddedWarfile(args);
        
        // Check for embedded warfile
        if (!args.containsKey("webroot") && !args.containsKey("warfile") 
                && !args.containsKey("webappsDir")&& !args.containsKey("hostsDir")) {
            printUsage();
            return;
        }
        // Launch

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        // Check for embedded war
        deployEmbeddedWarfile(args);
        
        // Check for embedded warfile
        if (!args.containsKey("webroot") && !args.containsKey("warfile") 
                && !args.containsKey("webappsDir")&& !args.containsKey("hostsDir")) {
            printUsage();
            return;
        }
        // Launch

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        // Check for embedded war
        deployEmbeddedWarfile(args);
        
        // Check for embedded warfile
        if (!args.containsKey("webroot") && !args.containsKey("warfile") 
                && !args.containsKey("webappsDir")&& !args.containsKey("hostsDir")) {
            printUsage();
            return;
        }
        // Launch
        try {

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        // Check for embedded war
        deployEmbeddedWarfile(args);
        
        // Check for embedded warfile
        if (!args.containsKey("webroot") && !args.containsKey("warfile") 
                && !args.containsKey("webappsDir")&& !args.containsKey("hostsDir")) {
            printUsage();
            return;
        }
        // Launch
        try {

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        {
            final Object object = elementIterator.next();
            if (object instanceof ModelElementFacade)
            {
                final ModelElementFacade modelElement = (ModelElementFacade)object;
                if (!filteredElements.containsKey(modelElement.getName()))
                {
                    filteredElements.put(modelElement.getName(), modelElement);
                }
            }
        }

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    if (atts.getValue(JRXmlConstants.ATTRIBUTE_reportFont) != null)
    {
      Map fontsMap = jasperPrint.getFontsMap();


      if ( !fontsMap.containsKey(atts.getValue(JRXmlConstants.ATTRIBUTE_reportFont)) )
      {
        printXmlLoader.addError(new JRRuntimeException("Unknown report font : " + atts.getValue(JRXmlConstants.ATTRIBUTE_reportFont)));
      }


      element.setReportFont((JRReportFont)fontsMap.get(atts.getValue(JRXmlConstants.ATTRIBUTE_reportFont)));

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                     if (!E.hasAttributeNS(
                             XML_LANG_URI,
                             currentAncestorAttr.getLocalName())) {


                        // the xml:* attr is not in E
                        if (!loa.containsKey(currentAncestorAttr.getName())) {
                           loa.put(currentAncestorAttr.getName(),
                                   currentAncestorAttr);
                        }
                     }
                  }

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