Examples of mx4j.loading.MLetParser

mx4j.loading.MLetParser
The parser for MLet files, as specified in the JMX documentation. This parser is case insensitive regards to the MLet tags: MLET is equal to mlet and to MLet. This parser also supports XML-style comments in the file. @version $Revision: 1.6 $

      Logger logger = getLogger();


      try
      {
         HashSet mbeans = new HashSet();
         MLetParser parser = new MLetParser(this);
         List tags = parser.parse(content);


         for (int i = 0; i < tags.size(); ++i)
         {
            MLetTag tag = (MLetTag)tags.get(i);

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      Logger logger = getLogger();


      try
      {
         HashSet mbeans = new HashSet();
         MLetParser parser = new MLetParser(this);
         List tags = parser.parse(content);


         for (int i = 0; i < tags.size(); ++i)
         {
            MLetTag tag = (MLetTag)tags.get(i);

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      super(s);
   }


   public void testInvalidMLetFileParsing() throws Exception
   {
      MLetParser parser = new MLetParser();


      String content = null;
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      content = "";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      content = " ";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      content = " <!--";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      content = " -->";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      content = "<!-- -->\n<!-- ->";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      content = "<!- -->";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid, missing attributes
      content = "<!-- -->\n<MLET/>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid, missing archive attribute
      content = "<MLET CODE = \" test.mx4j.MBeanNormal\"/>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid, missing archive attribute
      content = "\n<MLET CODE=\" test.mx4j.MBeanNormal\">\n</MLET>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid, missing archive attribute
      content = "\n<MLET OBJECT=\"mx4j-mbean.ser\">\n</MLET>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid, missing code or object attribute
      content = "<MLET ARCHIVE = \"..\\lib\"></MLET>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid, either code or object attribute must be present
      content = "<MLET CODE=\"test.mx4j.MBeanNormal\" OBJECT=\"mx4j-mbean.ser\" ARCHIVE = \"..\\lib\"></MLET>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid arg tag
//      content = "<MLET CODE=\"test.mx4j.MBeanNormal\" ARCHIVE = \"..\\lib\">\n<></MLET>";
//      try {parser.parse(content); fail();}
//      catch (MLetParseException x) {}


      // Invalid arg tag
      content = "<MLET CODE=\"test.mx4j.MBeanNormal\" ARCHIVE = \"..\\lib\">\n<ARG></MLET>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid arg tag
      content = "<MLET CODE=\"test.mx4j.MBeanNormal\" ARCHIVE = \"..\\lib\">\n<ARG type=\"int\"></MLET>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid arg tag
      content = "<MLET CODE=\"test.mx4j.MBeanNormal\" ARCHIVE = \"..\\lib\">\n<ARG value=\"int\"></MLET>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid name tag
      content = "<MLET CODE=\"test.mx4j.MBeanNormal\" ARCHIVE = \"..\\lib\" name>\n</MLET>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid name tag
      content = "<MLET CODE=\"test.mx4j.MBeanNormal\" ARCHIVE = \"..\\lib\" name=>\n</MLET>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid version tag
      content = "<MLET CODE=\"test.mx4j.MBeanNormal\" ARCHIVE = \"..\\lib\" version>\n</MLET>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }


      // Invalid version tag
      content = "<MLET CODE=\"test.mx4j.MBeanNormal\" ARCHIVE = \"..\\lib\" version=>\n</MLET>";
      try
      {
         parser.parse(content);
         fail();
      }
      catch (MLetParseException x)
      {
      }

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   }


   public void testValidMLetFileParsing() throws Exception
   {
      MLetParser parser = new MLetParser();
      String content = "<MLET CODE=\"test.mx4j.MBeanNormal\" ARCHIVE=\"mx4j-tests.jar\" NAME=\":name=MLetTest1\"/>";
      parser.parse(content);


      content = "<MLET CODE=\"test.mx4j.MBeanNormal\" ARCHIVE=\"mx4j-tests.jar\" NAME=\":name=MLetTest2\">\n\t<ARG TYPE=\"int\" VALUE=\"5\">\n</MLET>\n";
      parser.parse(content);


      content = "<MLET CODE=\"test.mx4j.MBeanNormal\" ARCHIVE=\"mx4j-tests.jar\" CODEBASE=\"dist\\test\\\" NAME=\":name=MLetTest3\">\n\t<ARG TYPE=\"int\" VALUE=\"5\"/>\n</MLET>\n";
      parser.parse(content);
   }

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      parser.parse(content);
   }


   public void testCompleteMLetFileParsing() throws Exception
   {
      MLetParser parser = new MLetParser();


      StringBuffer content = new StringBuffer();
      content.append("<!-- Comment -->");
      content.append("<MLET \n");
      content.append("      Code=\"mx4j.tools.naming.NamingService\"\n");
      content.append("      archive = \" ../lib \"\n");
      content.append("      CodeBase= \"http://localhost:8080/download\"\n");
      content.append("      NAME=\":name=test\"\n");
      content.append("      Version=\"1\">\n");
      content.append("      <!-- Comment -->");
      content.append("      <ARG \n");
      content.append("           Type=\"boolean\"\n");
      content.append("           VALUE = \"true\">\n");
      content.append("      <!-- Comment -->");
      content.append("      <ARG \n");
      content.append("           TYPE = \"boolean\"\n");
      content.append("           value=\"true\"/>\n");
      content.append("</MLet>");


      parser.parse(content.toString());
   }

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      int index = urlString.lastIndexOf('/') + 1;
      String jar = urlString.substring(index);


      String codebase = ".";
      String content = "<MLET CODE=\"" + className + "\" NAME=\":name=test\" ARCHIVE=\"" + jar + "\" CODEBASE=\"" + codebase + "\"/>";
      MLetParser parser = new MLetParser();
      List tags = parser.parse(content);
      MLetTag tag = (MLetTag)tags.get(0);
      URL mletFileURL = new URL("http://mx4j.sourceforge.net/mlets/mbeans.mlet");
      URL codebaseURL = tag.normalizeCodeBase(mletFileURL);
      assertEquals(codebaseURL.toExternalForm(), "http://mx4j.sourceforge.net/mlets/");


      content = "<MLET CODE=\"" + className + "\" NAME=\":name=test\" ARCHIVE=\"" + jar + "\"/>";
      tags = parser.parse(content);
      tag = (MLetTag)tags.get(0);
      codebaseURL = tag.normalizeCodeBase(mletFileURL);
      assertEquals(codebaseURL.toExternalForm(), "http://mx4j.sourceforge.net/mlets/");


      codebase = "../lib";
      content = "<MLET CODE=\"" + className + "\" NAME=\":name=test\" ARCHIVE=\"" + jar + "\" CODEBASE=\"" + codebase + "\"/>";
      tags = parser.parse(content);
      tag = (MLetTag)tags.get(0);
      codebaseURL = tag.normalizeCodeBase(mletFileURL);
      assertEquals(codebaseURL.toExternalForm(), "http://mx4j.sourceforge.net/lib/");


      codebase = "ftp://mx4j.sourceforge.net/mbeans";
      content = "<MLET CODE=\"" + className + "\" NAME=\":name=test\" ARCHIVE=\"" + jar + "\" CODEBASE=\"" + codebase + "\"/>";
      tags = parser.parse(content);
      tag = (MLetTag)tags.get(0);
      codebaseURL = tag.normalizeCodeBase(mletFileURL);
      assertEquals(codebaseURL.toExternalForm(), codebase + "/");
   }

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