webconsole/src/main/java/org/apache/felix/webconsole/internal/Util.java - onos-felix - Gitiles

 /*
  * 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.
  */
 package org.apache.felix.webconsole.internal;


 import java.io.IOException;
 import java.io.InputStream;
 import java.io.PrintWriter;
 import java.text.MessageFormat;
 import java.util.Collection;
 import java.util.Iterator;
 import java.util.SortedMap;
 import java.util.TreeMap;

 import javax.servlet.http.HttpServletResponse;

 import org.apache.commons.io.IOUtils;
 import org.apache.felix.webconsole.Render;


 /**
  * The <code>Util</code> TODO
  */
 public class Util
 {

     /** web apps subpage */
     public static final String PAGE_WEBAPPS = "/webapps";

     /** vm statistics subpage */
     public static final String PAGE_VM_STAT = "/vmstat";

     /** Logs subpage */
     public static final String PAGE_LOGS = "/logs";

     /** Parameter name */
     public static final String PARAM_ACTION = "action";

     /** Parameter name */
     public static final String PARAM_CONTENT = "content";

     /** Parameter name */
     public static final String PARAM_SHUTDOWN = "shutdown";

     /** Parameter value */
     public static final String VALUE_SHUTDOWN = "shutdown";

     private static final String HEADER = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">"
         + "<html>"
         + "<head>"
         + "<meta http-equiv=\"Content-Type\" content=\"text/html; utf-8\">"
         + "<link rel=\"icon\" href=\"res/imgs/favicon.ico\">"
         + "<title>{0} - {12}</title>"
         + "<script src=\"res/ui/admin.js\" language=\"JavaScript\"></script>"
         + "<script language=\"JavaScript\">"
         + "ABOUT_VERSION=''{1}'';"
         + "ABOUT_JVERSION=''{2}'';"
         + "ABOUT_JRT=''{3} (build {2})'';"
         + "ABOUT_JVM=''{4} (build {5}, {6})'';"
         + "ABOUT_MEM=\"{7} KB\";"
         + "ABOUT_USED=\"{8} KB\";"
         + "ABOUT_FREE=\"{9} KB\";"
         + "</script>"
         + "<link href=\"res/ui/admin.css\" rel=\"stylesheet\" type=\"text/css\">"
         + "</head>"
         + "<body>"
         + "<div id=\"main\">"
         + "<div id=\"lead\">"
         + "<h1>"
         + "{0}<br>{12}"
         + "</h1>"
         + "<p>"
         + "<a target=\"_blank\" href=\"{13}\" title=\"{11}\"><img src=\"res/imgs/logo.png\" width=\"165\" height=\"63\" border=\"0\"></a>"
         + "</p>" + "</div>";

     /** The name of the request attribute containig the map of FileItems from the POST request */
     public static final String ATTR_FILEUPLOAD = "org.apache.felix.webconsole.fileupload";


     public static PrintWriter startHtml( HttpServletResponse resp, String pageTitle ) throws IOException
     {
         resp.setContentType( "text/html; utf-8" );

         PrintWriter pw = resp.getWriter();

         String adminTitle = "OSGi Management Console"; // ServletEngine.VERSION.getFullProductName();
         String productName = "Felix"; // ServletEngine.VERSION.getShortProductName();
         String productWeb = "http://felix.apache.org";
         String vendorName = "http://www.apache.org"; // ServletEngine.VERSION.getVendorWeb();
         String vendorWeb = "http://www.apache.org"; // ServletEngine.VERSION.getVendorWeb();

         long freeMem = Runtime.getRuntime().freeMemory() / 1024;
         long totalMem = Runtime.getRuntime().totalMemory() / 1024;
         long usedMem = totalMem - freeMem;

         String header = MessageFormat.format( HEADER, new Object[]
             {
                 adminTitle,
                 "1.0.0-SNAPSHOT", // ServletEngine.VERSION.getFullVersion(),
                 System.getProperty( "java.runtime.version" ), System.getProperty( "java.runtime.name" ),
                 System.getProperty( "java.vm.name" ), System.getProperty( "java.vm.version" ),
                 System.getProperty( "java.vm.info" ), new Long( totalMem ), new Long( usedMem ), new Long( freeMem ),
                 vendorWeb, productName, pageTitle, productWeb, vendorName } );
         pw.println( header );
         return pw;
     }


     public static void navigation( PrintWriter pw, Collection renders, String current, boolean disabled )
     {
         pw.println( "<p id='technav'>" );

         SortedMap map = new TreeMap();
         for ( Iterator ri = renders.iterator(); ri.hasNext(); )
         {
             Render render = ( Render ) ri.next();
             if ( render.getLabel() == null )
             {
                 // ignore renders without a label
             }
             else if ( disabled || current.equals( render.getName() ) )
             {
                 map.put( render.getLabel(), "<span class='technavat'>" + render.getLabel() + "</span>" );
             }
             else
             {
                 map.put( render.getLabel(), "<a href='" + render.getName() + "'>" + render.getLabel() + "</a></li>" );
             }
         }

         for ( Iterator li = map.values().iterator(); li.hasNext(); )
         {
             pw.println( li.next() );
         }

         pw.println( "</p>" );
     }


     public static void endHhtml( PrintWriter pw )
     {
         pw.println( "</body>" );
         pw.println( "</html>" );
     }


     public static void startScript( PrintWriter pw )
     {
         pw.println( "<script type='text/javascript'>" );
         pw.println( "// <![CDATA[" );
     }


     public static void endScript( PrintWriter pw )
     {
         pw.println( "// ]]>" );
         pw.println( "</script>" );
     }


     public static void spool( String res, HttpServletResponse resp ) throws IOException
     {
         InputStream ins = getResource( res );
         if ( ins != null )
         {
             try
             {
                 IOUtils.copy( ins, resp.getOutputStream() );
             }
             finally
             {
                 IOUtils.closeQuietly( ins );
             }
         }
     }


     private static InputStream getResource( String resource )
     {
         return Util.class.getResourceAsStream( resource );
     }
 }
	/*
	* 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.
	*/
	package org.apache.felix.webconsole.internal;


	import java.io.IOException;
	import java.io.InputStream;
	import java.io.PrintWriter;
	import java.text.MessageFormat;
	import java.util.Collection;
	import java.util.Iterator;
	import java.util.SortedMap;
	import java.util.TreeMap;

	import javax.servlet.http.HttpServletResponse;

	import org.apache.commons.io.IOUtils;
	import org.apache.felix.webconsole.Render;


	/**
	* The <code>Util</code> TODO
	*/
	public class Util
	{

	/** web apps subpage */
	public static final String PAGE_WEBAPPS = "/webapps";

	/** vm statistics subpage */
	public static final String PAGE_VM_STAT = "/vmstat";

	/** Logs subpage */
	public static final String PAGE_LOGS = "/logs";

	/** Parameter name */
	public static final String PARAM_ACTION = "action";

	/** Parameter name */
	public static final String PARAM_CONTENT = "content";

	/** Parameter name */
	public static final String PARAM_SHUTDOWN = "shutdown";

	/** Parameter value */
	public static final String VALUE_SHUTDOWN = "shutdown";

	private static final String HEADER = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">"
	+ "<html>"
	+ "<head>"
	+ "<meta http-equiv=\"Content-Type\" content=\"text/html; utf-8\">"
	+ "<link rel=\"icon\" href=\"res/imgs/favicon.ico\">"
	+ "<title>{0} - {12}</title>"
	+ "<script src=\"res/ui/admin.js\" language=\"JavaScript\"></script>"
	+ "<script language=\"JavaScript\">"
	+ "ABOUT_VERSION=''{1}'';"
	+ "ABOUT_JVERSION=''{2}'';"
	+ "ABOUT_JRT=''{3} (build {2})'';"
	+ "ABOUT_JVM=''{4} (build {5}, {6})'';"
	+ "ABOUT_MEM=\"{7} KB\";"
	+ "ABOUT_USED=\"{8} KB\";"
	+ "ABOUT_FREE=\"{9} KB\";"
	+ "</script>"
	+ "<link href=\"res/ui/admin.css\" rel=\"stylesheet\" type=\"text/css\">"
	+ "</head>"
	+ "<body>"
	+ "<div id=\"main\">"
	+ "<div id=\"lead\">"
	+ "<h1>"
	+ "{0}<br>{12}"
	+ "</h1>"
	+ "<p>"
	+ "<a target=\"_blank\" href=\"{13}\" title=\"{11}\"><img src=\"res/imgs/logo.png\" width=\"165\" height=\"63\" border=\"0\"></a>"
	+ "</p>" + "</div>";

	/** The name of the request attribute containig the map of FileItems from the POST request */
	public static final String ATTR_FILEUPLOAD = "org.apache.felix.webconsole.fileupload";


	public static PrintWriter startHtml( HttpServletResponse resp, String pageTitle ) throws IOException
	{
	resp.setContentType( "text/html; utf-8" );

	PrintWriter pw = resp.getWriter();

	String adminTitle = "OSGi Management Console"; // ServletEngine.VERSION.getFullProductName();
	String productName = "Felix"; // ServletEngine.VERSION.getShortProductName();
	String productWeb = "http://felix.apache.org";
	String vendorName = "http://www.apache.org"; // ServletEngine.VERSION.getVendorWeb();
	String vendorWeb = "http://www.apache.org"; // ServletEngine.VERSION.getVendorWeb();

	long freeMem = Runtime.getRuntime().freeMemory() / 1024;
	long totalMem = Runtime.getRuntime().totalMemory() / 1024;
	long usedMem = totalMem - freeMem;

	String header = MessageFormat.format( HEADER, new Object[]
	{
	adminTitle,
	"1.0.0-SNAPSHOT", // ServletEngine.VERSION.getFullVersion(),
	System.getProperty( "java.runtime.version" ), System.getProperty( "java.runtime.name" ),
	System.getProperty( "java.vm.name" ), System.getProperty( "java.vm.version" ),
	System.getProperty( "java.vm.info" ), new Long( totalMem ), new Long( usedMem ), new Long( freeMem ),
	vendorWeb, productName, pageTitle, productWeb, vendorName } );
	pw.println( header );
	return pw;
	}


	public static void navigation( PrintWriter pw, Collection renders, String current, boolean disabled )
	{
	pw.println( "<p id='technav'>" );

	SortedMap map = new TreeMap();
	for ( Iterator ri = renders.iterator(); ri.hasNext(); )
	{
	Render render = ( Render ) ri.next();
	if ( render.getLabel() == null )
	{
	// ignore renders without a label
	}
	else if ( disabled \|\| current.equals( render.getName() ) )
	{
	map.put( render.getLabel(), "<span class='technavat'>" + render.getLabel() + "</span>" );
	}
	else
	{
	map.put( render.getLabel(), "<a href='" + render.getName() + "'>" + render.getLabel() + "</a></li>" );
	}
	}

	for ( Iterator li = map.values().iterator(); li.hasNext(); )
	{
	pw.println( li.next() );
	}

	pw.println( "</p>" );
	}


	public static void endHhtml( PrintWriter pw )
	{
	pw.println( "</body>" );
	pw.println( "</html>" );
	}


	public static void startScript( PrintWriter pw )
	{
	pw.println( "<script type='text/javascript'>" );
	pw.println( "// <![CDATA[" );
	}


	public static void endScript( PrintWriter pw )
	{
	pw.println( "// ]]>" );
	pw.println( "</script>" );
	}


	public static void spool( String res, HttpServletResponse resp ) throws IOException
	{
	InputStream ins = getResource( res );
	if ( ins != null )
	{
	try
	{
	IOUtils.copy( ins, resp.getOutputStream() );
	}
	finally
	{
	IOUtils.closeQuietly( ins );
	}
	}
	}


	private static InputStream getResource( String resource )
	{
	return Util.class.getResourceAsStream( resource );
	}
	}