jasper/jasper2/src/share/org/apache/jasper/EmbeddedServletOptions.java - tomcat55 - Git at Google

 /*
  * Copyright 1999,2004 The Apache Software Foundation.
  *
  * Licensed 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.jasper;

 import java.io.File;
 import java.util.*;

 import javax.servlet.ServletConfig;
 import javax.servlet.ServletContext;

 import org.apache.jasper.compiler.TldLocationsCache;
 import org.apache.jasper.compiler.JspConfig;
 import org.apache.jasper.compiler.TagPluginManager;
 import org.apache.jasper.compiler.Localizer;
 import org.apache.jasper.xmlparser.ParserUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;

 /**
  * A class to hold all init parameters specific to the JSP engine.
  *
  * @author Anil K. Vijendran
  * @author Hans Bergsten
  * @author Pierre Delisle
  */
 public final class EmbeddedServletOptions implements Options {

     // Logger
     private static Log log = LogFactory.getLog(EmbeddedServletOptions.class);

     private Properties settings = new Properties();

     /**
      * Is Jasper being used in development mode?
      */
     private boolean development = true;

     /**
      * Should Ant fork its java compiles of JSP pages.
      */
     public boolean fork = true;

     /**
      * Do you want to keep the generated Java files around?
      */
     private boolean keepGenerated = true;

     /**
      * Should white spaces between directives or actions be trimmed?
      */
     private boolean trimSpaces = false;

     /**
      * Determines whether tag handler pooling is enabled.
      */
     private boolean isPoolingEnabled = true;

     /**
      * Do you want support for "mapped" files? This will generate
      * servlet that has a print statement per line of the JSP file.
      * This seems like a really nice feature to have for debugging.
      */
     private boolean mappedFile = true;

     /**
      * Do you want stack traces and such displayed in the client's
      * browser? If this is false, such messages go to the standard
      * error or a log file if the standard error is redirected.
      */
     private boolean sendErrorToClient = false;

     /**
      * Do we want to include debugging information in the class file?
      */
     private boolean classDebugInfo = true;

     /**
      * Background compile thread check interval in seconds.
      */
     private int checkInterval = 300;

     /**
      * JSP reloading check ?
      */
     private boolean reloading = false;

     /**
      * Is the generation of SMAP info for JSR45 debuggin suppressed?
      */
     private boolean isSmapSuppressed = false;

     /**
      * Should SMAP info for JSR45 debugging be dumped to a file?
      */
     private boolean isSmapDumped = false;

     /**
      * Are Text strings to be generated as char arrays?
      */
     private boolean genStringAsCharArray = false;

     private boolean errorOnUseBeanInvalidClassAttribute = true;

     /**
      * I want to see my generated servlets. Which directory are they
      * in?
      */
     private File scratchDir;

     /**
      * Need to have this as is for versions 4 and 5 of IE. Can be set from
      * the initParams so if it changes in the future all that is needed is
      * to have a jsp initParam of type ieClassId="<value>"
      */
     private String ieClassId = "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93";

     /**
      * What classpath should I use while compiling generated servlets?
      */
     private String classpath = null;

     /**
      * Compiler to use.
      */
     private String compiler = null;

     /**
      * Compiler target VM.
      */
     private String compilerTargetVM = "1.4";

     /**
      * Cache for the TLD locations
      */
     private TldLocationsCache tldLocationsCache = null;

     /**
      * Jsp config information
      */
     private JspConfig jspConfig = null;

     /**
      * TagPluginManager
      */
     private TagPluginManager tagPluginManager = null;

     /**
      * Java platform encoding to generate the JSP
      * page servlet.
      */
     private String javaEncoding = "UTF8";

     /*
      * Is generation of X-Powered-By response header enabled/disabled?
      */
     private boolean xpoweredBy;

     public String getProperty(String name ) {
         return settings.getProperty( name );
     }

     public void setProperty(String name, String value ) {
         if (name != null && value != null){
             settings.setProperty( name, value );
         }
     }

     /**
      * Are we keeping generated code around?
      */
     public boolean getKeepGenerated() {
         return keepGenerated;
     }

     /**
      * Should white spaces between directives or actions be trimmed?
      */
     public boolean getTrimSpaces() {
         return trimSpaces;
     }

     public boolean isPoolingEnabled() {
 	return isPoolingEnabled;
     }

     /**
      * Are we supporting HTML mapped servlets?
      */
     public boolean getMappedFile() {
         return mappedFile;
     }

     /**
      * Should errors be sent to client or thrown into stderr?
      */
     public boolean getSendErrorToClient() {
         return sendErrorToClient;
     }

     /**
      * Should class files be compiled with debug information?
      */
     public boolean getClassDebugInfo() {
         return classDebugInfo;
     }

     /**
      * Background JSP compile thread check intervall
      */
     public int getCheckInterval() {
         return checkInterval;
     }

     /**
      * Is Jasper being used in development mode?
      */
     public boolean getDevelopment() {
         return development;
     }

     /**
      * JSP reloading check ?
      */
     public boolean getReloading() {
         return reloading;
     }

     /**
      * Is the generation of SMAP info for JSR45 debuggin suppressed?
      */
     public boolean isSmapSuppressed() {
         return isSmapSuppressed;
     }

     /**
      * Should SMAP info for JSR45 debugging be dumped to a file?
      */
     public boolean isSmapDumped() {
         return isSmapDumped;
     }

     /**
      * Are Text strings to be generated as char arrays?
      */
     public boolean genStringAsCharArray() {
         return this.genStringAsCharArray;
     }

     /**
      * Class ID for use in the plugin tag when the browser is IE.
      */
     public String getIeClassId() {
         return ieClassId;
     }

     /**
      * What is my scratch dir?
      */
     public File getScratchDir() {
         return scratchDir;
     }

     /**
      * What classpath should I use while compiling the servlets
      * generated from JSP files?
      */
     public String getClassPath() {
         return classpath;
     }

     /**
      * Is generation of X-Powered-By response header enabled/disabled?
      */
     public boolean isXpoweredBy() {
         return xpoweredBy;
     }

     /**
      * Compiler to use.
      */
     public String getCompiler() {
         return compiler;
     }

     /**
      * @see Options#getCompilerTargetVM
      */
     public String getCompilerTargetVM() {
         return compilerTargetVM;
     }

     public boolean getErrorOnUseBeanInvalidClassAttribute() {
         return errorOnUseBeanInvalidClassAttribute;
     }

     public void setErrorOnUseBeanInvalidClassAttribute(boolean b) {
         errorOnUseBeanInvalidClassAttribute = b;
     }

     public TldLocationsCache getTldLocationsCache() {
 	return tldLocationsCache;
     }

     public void setTldLocationsCache( TldLocationsCache tldC ) {
         tldLocationsCache = tldC;
     }

     public String getJavaEncoding() {
 	return javaEncoding;
     }

     public boolean getFork() {
         return fork;
     }

     public JspConfig getJspConfig() {
 	return jspConfig;
     }

     public TagPluginManager getTagPluginManager() {
 	return tagPluginManager;
     }

     /**
      * Create an EmbeddedServletOptions object using data available from
      * ServletConfig and ServletContext.
      */
     public EmbeddedServletOptions(ServletConfig config,
 				 ServletContext context) {

         Enumeration enumeration=config.getInitParameterNames();
         while( enumeration.hasMoreElements() ) {
             String k=(String)enumeration.nextElement();
             String v=config.getInitParameter( k );
             setProperty( k, v);
         }

         // quick hack
         String validating=config.getInitParameter( "validating");
         if( "false".equals( validating )) ParserUtils.validating=false;

         String keepgen = config.getInitParameter("keepgenerated");
         if (keepgen != null) {
             if (keepgen.equalsIgnoreCase("true")) {
                 this.keepGenerated = true;
             } else if (keepgen.equalsIgnoreCase("false")) {
                 this.keepGenerated = false;
             } else {
 		if (log.isWarnEnabled()) {
 		    log.warn(Localizer.getMessage("jsp.warning.keepgen"));
 		}
 	    }
         }


         String trimsp = config.getInitParameter("trimSpaces");
         if (trimsp != null) {
             if (trimsp.equalsIgnoreCase("true")) {
                 trimSpaces = true;
             } else if (trimsp.equalsIgnoreCase("false")) {
                 trimSpaces = false;
             } else {
 		if (log.isWarnEnabled()) {
 		    log.warn(Localizer.getMessage("jsp.warning.trimspaces"));
 		}
 	    }
         }

 	this.isPoolingEnabled = true;
         String poolingEnabledParam
 	    = config.getInitParameter("enablePooling");
         if (poolingEnabledParam != null
   	        && !poolingEnabledParam.equalsIgnoreCase("true")) {
             if (poolingEnabledParam.equalsIgnoreCase("false")) {
                 this.isPoolingEnabled = false;
             } else {
 		if (log.isWarnEnabled()) {
 		    log.warn(Localizer.getMessage("jsp.warning.enablePooling"));
 		}
 	    }
         }

         String mapFile = config.getInitParameter("mappedfile");
         if (mapFile != null) {
             if (mapFile.equalsIgnoreCase("true")) {
                 this.mappedFile = true;
             } else if (mapFile.equalsIgnoreCase("false")) {
                 this.mappedFile = false;
             } else {
 		if (log.isWarnEnabled()) {
 		    log.warn(Localizer.getMessage("jsp.warning.mappedFile"));
 		}
 	    }
         }

         String senderr = config.getInitParameter("sendErrToClient");
         if (senderr != null) {
             if (senderr.equalsIgnoreCase("true")) {
                 this.sendErrorToClient = true;
             } else if (senderr.equalsIgnoreCase("false")) {
                 this.sendErrorToClient = false;
             } else {
 		if (log.isWarnEnabled()) {
 		    log.warn(Localizer.getMessage("jsp.warning.sendErrToClient"));
 		}
 	    }
         }

         String debugInfo = config.getInitParameter("classdebuginfo");
         if (debugInfo != null) {
             if (debugInfo.equalsIgnoreCase("true")) {
                 this.classDebugInfo  = true;
             } else if (debugInfo.equalsIgnoreCase("false")) {
                 this.classDebugInfo  = false;
             } else {
 		if (log.isWarnEnabled()) {
 		    log.warn(Localizer.getMessage("jsp.warning.classDebugInfo"));
 		}
 	    }
         }

         String checkInterval = config.getInitParameter("checkInterval");
         if (checkInterval != null) {
             try {
 		this.checkInterval = Integer.parseInt(checkInterval);
                 if (this.checkInterval == 0) {
                     this.checkInterval = 300;
 		    if (log.isWarnEnabled()) {
 			log.warn(Localizer.getMessage("jsp.warning.checkInterval"));
 		    }
                 }
             } catch(NumberFormatException ex) {
 		if (log.isWarnEnabled()) {
 		    log.warn(Localizer.getMessage("jsp.warning.checkInterval"));
 		}
             }
         }

         String development = config.getInitParameter("development");
         if (development != null) {
             if (development.equalsIgnoreCase("true")) {
                 this.development = true;
             } else if (development.equalsIgnoreCase("false")) {
                 this.development = false;
             } else {
 		if (log.isWarnEnabled()) {
 		    log.warn(Localizer.getMessage("jsp.warning.development"));
 		}
 	    }
         }

         String reloading = config.getInitParameter("reloading");
         if (reloading != null) {
             if (reloading.equalsIgnoreCase("true")) {
                 this.reloading = true;
             } else if (reloading.equalsIgnoreCase("false")) {
                 this.reloading = false;
             } else {
 		if (log.isWarnEnabled()) {
 		    log.warn(Localizer.getMessage("jsp.warning.reloading"));
 		}
 	    }
         }

         String suppressSmap = config.getInitParameter("suppressSmap");
         if (suppressSmap != null) {
             if (suppressSmap.equalsIgnoreCase("true")) {
 		isSmapSuppressed = true;
             } else if (suppressSmap.equalsIgnoreCase("false")) {
                 isSmapSuppressed = false;
             } else {
                 if (log.isWarnEnabled()) {
                     log.warn(Localizer.getMessage("jsp.warning.suppressSmap"));
                 }
             }
         }

         String dumpSmap = config.getInitParameter("dumpSmap");
         if (dumpSmap != null) {
             if (dumpSmap.equalsIgnoreCase("true")) {
                 isSmapDumped = true;
             } else if (dumpSmap.equalsIgnoreCase("false")) {
                 isSmapDumped = false;
             } else {
                 if (log.isWarnEnabled()) {
                     log.warn(Localizer.getMessage("jsp.warning.dumpSmap"));
                 }
             }
         }

         String genCharArray = config.getInitParameter("genStrAsCharArray");
         if (genCharArray != null) {
             if (genCharArray.equalsIgnoreCase("true")) {
                 genStringAsCharArray = true;
             } else if (genCharArray.equalsIgnoreCase("false")) {
                 genStringAsCharArray = false;
             } else {
                 if (log.isWarnEnabled()) {
                     log.warn(Localizer.getMessage("jsp.warning.genchararray"));
                 }
             }
         }

         String errBeanClass =
 	    config.getInitParameter("errorOnUseBeanInvalidClassAttribute");
         if (errBeanClass != null) {
             if (errBeanClass.equalsIgnoreCase("true")) {
                 errorOnUseBeanInvalidClassAttribute = true;
             } else if (errBeanClass.equalsIgnoreCase("false")) {
                 errorOnUseBeanInvalidClassAttribute = false;
             } else {
                 if (log.isWarnEnabled()) {
                     log.warn(Localizer.getMessage("jsp.warning.errBean"));
                 }
             }
         }

         String ieClassId = config.getInitParameter("ieClassId");
         if (ieClassId != null)
             this.ieClassId = ieClassId;

         String classpath = config.getInitParameter("classpath");
         if (classpath != null)
             this.classpath = classpath;

 	/*
 	 * scratchdir
 	 */
         String dir = config.getInitParameter("scratchdir");
         if (dir != null) {
             scratchDir = new File(dir);
         } else {
             // First try the Servlet 2.2 javax.servlet.context.tempdir property
             scratchDir = (File) context.getAttribute(Constants.TMP_DIR);
             if (scratchDir == null) {
                 // Not running in a Servlet 2.2 container.
                 // Try to get the JDK 1.2 java.io.tmpdir property
                 dir = System.getProperty("java.io.tmpdir");
                 if (dir != null)
                     scratchDir = new File(dir);
             }
         }
         if (this.scratchDir == null) {
             log.fatal(Localizer.getMessage("jsp.error.no.scratch.dir"));
             return;
         }

         if (!(scratchDir.exists() && scratchDir.canRead() &&
               scratchDir.canWrite() && scratchDir.isDirectory()))
             log.fatal(Localizer.getMessage("jsp.error.bad.scratch.dir",
 					   scratchDir.getAbsolutePath()));

         this.compiler = config.getInitParameter("compiler");

         String compilerTargetVM = config.getInitParameter("compilerTargetVM");
         if(compilerTargetVM != null) {
             this.compilerTargetVM = compilerTargetVM;
         }

         String javaEncoding = config.getInitParameter("javaEncoding");
         if (javaEncoding != null) {
             this.javaEncoding = javaEncoding;
         }

         String fork = config.getInitParameter("fork");
         if (fork != null) {
             if (fork.equalsIgnoreCase("true")) {
                 this.fork = true;
             } else if (fork.equalsIgnoreCase("false")) {
                 this.fork = false;
             } else {
 		if (log.isWarnEnabled()) {
 		    log.warn(Localizer.getMessage("jsp.warning.fork"));
 		}
 	    }
         }

         /*
          * X-Powered-By
          */
         String xpoweredBy = config.getInitParameter("xpoweredBy");
         if (xpoweredBy != null) {
             if (xpoweredBy.equalsIgnoreCase("true")) {
                 this.xpoweredBy = true;
             } else if (xpoweredBy.equalsIgnoreCase("false")) {
                 this.xpoweredBy = false;
             } else {
 		if (log.isWarnEnabled()) {
 		    log.warn(Localizer.getMessage("jsp.warning.xpoweredBy"));
 		}
 	    }
         }

 	// Setup the global Tag Libraries location cache for this
 	// web-application.
 	tldLocationsCache = new TldLocationsCache(context);

 	// Setup the jsp config info for this web app.
 	jspConfig = new JspConfig(context);

 	// Create a Tag plugin instance
 	tagPluginManager = new TagPluginManager(context);
     }

 }
	/*
	* Copyright 1999,2004 The Apache Software Foundation.
	*
	* Licensed 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.jasper;

	import java.io.File;
	import java.util.*;

	import javax.servlet.ServletConfig;
	import javax.servlet.ServletContext;

	import org.apache.jasper.compiler.TldLocationsCache;
	import org.apache.jasper.compiler.JspConfig;
	import org.apache.jasper.compiler.TagPluginManager;
	import org.apache.jasper.compiler.Localizer;
	import org.apache.jasper.xmlparser.ParserUtils;
	import org.apache.commons.logging.Log;
	import org.apache.commons.logging.LogFactory;

	/**
	* A class to hold all init parameters specific to the JSP engine.
	*
	* @author Anil K. Vijendran
	* @author Hans Bergsten
	* @author Pierre Delisle
	*/
	public final class EmbeddedServletOptions implements Options {

	// Logger
	private static Log log = LogFactory.getLog(EmbeddedServletOptions.class);

	private Properties settings = new Properties();

	/**
	* Is Jasper being used in development mode?
	*/
	private boolean development = true;

	/**
	* Should Ant fork its java compiles of JSP pages.
	*/
	public boolean fork = true;

	/**
	* Do you want to keep the generated Java files around?
	*/
	private boolean keepGenerated = true;

	/**
	* Should white spaces between directives or actions be trimmed?
	*/
	private boolean trimSpaces = false;

	/**
	* Determines whether tag handler pooling is enabled.
	*/
	private boolean isPoolingEnabled = true;

	/**
	* Do you want support for "mapped" files? This will generate
	* servlet that has a print statement per line of the JSP file.
	* This seems like a really nice feature to have for debugging.
	*/
	private boolean mappedFile = true;

	/**
	* Do you want stack traces and such displayed in the client's
	* browser? If this is false, such messages go to the standard
	* error or a log file if the standard error is redirected.
	*/
	private boolean sendErrorToClient = false;

	/**
	* Do we want to include debugging information in the class file?
	*/
	private boolean classDebugInfo = true;

	/**
	* Background compile thread check interval in seconds.
	*/
	private int checkInterval = 300;

	/**
	* JSP reloading check ?
	*/
	private boolean reloading = false;

	/**
	* Is the generation of SMAP info for JSR45 debuggin suppressed?
	*/
	private boolean isSmapSuppressed = false;

	/**
	* Should SMAP info for JSR45 debugging be dumped to a file?
	*/
	private boolean isSmapDumped = false;

	/**
	* Are Text strings to be generated as char arrays?
	*/
	private boolean genStringAsCharArray = false;

	private boolean errorOnUseBeanInvalidClassAttribute = true;

	/**
	* I want to see my generated servlets. Which directory are they
	* in?
	*/
	private File scratchDir;

	/**
	* Need to have this as is for versions 4 and 5 of IE. Can be set from
	* the initParams so if it changes in the future all that is needed is
	* to have a jsp initParam of type ieClassId="<value>"
	*/
	private String ieClassId = "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93";

	/**
	* What classpath should I use while compiling generated servlets?
	*/
	private String classpath = null;

	/**
	* Compiler to use.
	*/
	private String compiler = null;

	/**
	* Compiler target VM.
	*/
	private String compilerTargetVM = "1.4";

	/**
	* Cache for the TLD locations
	*/
	private TldLocationsCache tldLocationsCache = null;

	/**
	* Jsp config information
	*/
	private JspConfig jspConfig = null;

	/**
	* TagPluginManager
	*/
	private TagPluginManager tagPluginManager = null;

	/**
	* Java platform encoding to generate the JSP
	* page servlet.
	*/
	private String javaEncoding = "UTF8";

	/*
	* Is generation of X-Powered-By response header enabled/disabled?
	*/
	private boolean xpoweredBy;

	public String getProperty(String name ) {
	return settings.getProperty( name );
	}

	public void setProperty(String name, String value ) {
	if (name != null && value != null){
	settings.setProperty( name, value );
	}
	}

	/**
	* Are we keeping generated code around?
	*/
	public boolean getKeepGenerated() {
	return keepGenerated;
	}

	/**
	* Should white spaces between directives or actions be trimmed?
	*/
	public boolean getTrimSpaces() {
	return trimSpaces;
	}

	public boolean isPoolingEnabled() {
	return isPoolingEnabled;
	}

	/**
	* Are we supporting HTML mapped servlets?
	*/
	public boolean getMappedFile() {
	return mappedFile;
	}

	/**
	* Should errors be sent to client or thrown into stderr?
	*/
	public boolean getSendErrorToClient() {
	return sendErrorToClient;
	}

	/**
	* Should class files be compiled with debug information?
	*/
	public boolean getClassDebugInfo() {
	return classDebugInfo;
	}

	/**
	* Background JSP compile thread check intervall
	*/
	public int getCheckInterval() {
	return checkInterval;
	}

	/**
	* Is Jasper being used in development mode?
	*/
	public boolean getDevelopment() {
	return development;
	}

	/**
	* JSP reloading check ?
	*/
	public boolean getReloading() {
	return reloading;
	}

	/**
	* Is the generation of SMAP info for JSR45 debuggin suppressed?
	*/
	public boolean isSmapSuppressed() {
	return isSmapSuppressed;
	}

	/**
	* Should SMAP info for JSR45 debugging be dumped to a file?
	*/
	public boolean isSmapDumped() {
	return isSmapDumped;
	}

	/**
	* Are Text strings to be generated as char arrays?
	*/
	public boolean genStringAsCharArray() {
	return this.genStringAsCharArray;
	}

	/**
	* Class ID for use in the plugin tag when the browser is IE.
	*/
	public String getIeClassId() {
	return ieClassId;
	}

	/**
	* What is my scratch dir?
	*/
	public File getScratchDir() {
	return scratchDir;
	}

	/**
	* What classpath should I use while compiling the servlets
	* generated from JSP files?
	*/
	public String getClassPath() {
	return classpath;
	}

	/**
	* Is generation of X-Powered-By response header enabled/disabled?
	*/
	public boolean isXpoweredBy() {
	return xpoweredBy;
	}

	/**
	* Compiler to use.
	*/
	public String getCompiler() {
	return compiler;
	}

	/**
	* @see Options#getCompilerTargetVM
	*/
	public String getCompilerTargetVM() {
	return compilerTargetVM;
	}

	public boolean getErrorOnUseBeanInvalidClassAttribute() {
	return errorOnUseBeanInvalidClassAttribute;
	}

	public void setErrorOnUseBeanInvalidClassAttribute(boolean b) {
	errorOnUseBeanInvalidClassAttribute = b;
	}

	public TldLocationsCache getTldLocationsCache() {
	return tldLocationsCache;
	}

	public void setTldLocationsCache( TldLocationsCache tldC ) {
	tldLocationsCache = tldC;
	}

	public String getJavaEncoding() {
	return javaEncoding;
	}

	public boolean getFork() {
	return fork;
	}

	public JspConfig getJspConfig() {
	return jspConfig;
	}

	public TagPluginManager getTagPluginManager() {
	return tagPluginManager;
	}

	/**
	* Create an EmbeddedServletOptions object using data available from
	* ServletConfig and ServletContext.
	*/
	public EmbeddedServletOptions(ServletConfig config,
	ServletContext context) {

	Enumeration enumeration=config.getInitParameterNames();
	while( enumeration.hasMoreElements() ) {
	String k=(String)enumeration.nextElement();
	String v=config.getInitParameter( k );
	setProperty( k, v);
	}

	// quick hack
	String validating=config.getInitParameter( "validating");
	if( "false".equals( validating )) ParserUtils.validating=false;

	String keepgen = config.getInitParameter("keepgenerated");
	if (keepgen != null) {
	if (keepgen.equalsIgnoreCase("true")) {
	this.keepGenerated = true;
	} else if (keepgen.equalsIgnoreCase("false")) {
	this.keepGenerated = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.keepgen"));
	}
	}
	}


	String trimsp = config.getInitParameter("trimSpaces");
	if (trimsp != null) {
	if (trimsp.equalsIgnoreCase("true")) {
	trimSpaces = true;
	} else if (trimsp.equalsIgnoreCase("false")) {
	trimSpaces = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.trimspaces"));
	}
	}
	}

	this.isPoolingEnabled = true;
	String poolingEnabledParam
	= config.getInitParameter("enablePooling");
	if (poolingEnabledParam != null
	&& !poolingEnabledParam.equalsIgnoreCase("true")) {
	if (poolingEnabledParam.equalsIgnoreCase("false")) {
	this.isPoolingEnabled = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.enablePooling"));
	}
	}
	}

	String mapFile = config.getInitParameter("mappedfile");
	if (mapFile != null) {
	if (mapFile.equalsIgnoreCase("true")) {
	this.mappedFile = true;
	} else if (mapFile.equalsIgnoreCase("false")) {
	this.mappedFile = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.mappedFile"));
	}
	}
	}

	String senderr = config.getInitParameter("sendErrToClient");
	if (senderr != null) {
	if (senderr.equalsIgnoreCase("true")) {
	this.sendErrorToClient = true;
	} else if (senderr.equalsIgnoreCase("false")) {
	this.sendErrorToClient = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.sendErrToClient"));
	}
	}
	}

	String debugInfo = config.getInitParameter("classdebuginfo");
	if (debugInfo != null) {
	if (debugInfo.equalsIgnoreCase("true")) {
	this.classDebugInfo = true;
	} else if (debugInfo.equalsIgnoreCase("false")) {
	this.classDebugInfo = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.classDebugInfo"));
	}
	}
	}

	String checkInterval = config.getInitParameter("checkInterval");
	if (checkInterval != null) {
	try {
	this.checkInterval = Integer.parseInt(checkInterval);
	if (this.checkInterval == 0) {
	this.checkInterval = 300;
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.checkInterval"));
	}
	}
	} catch(NumberFormatException ex) {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.checkInterval"));
	}
	}
	}

	String development = config.getInitParameter("development");
	if (development != null) {
	if (development.equalsIgnoreCase("true")) {
	this.development = true;
	} else if (development.equalsIgnoreCase("false")) {
	this.development = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.development"));
	}
	}
	}

	String reloading = config.getInitParameter("reloading");
	if (reloading != null) {
	if (reloading.equalsIgnoreCase("true")) {
	this.reloading = true;
	} else if (reloading.equalsIgnoreCase("false")) {
	this.reloading = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.reloading"));
	}
	}
	}

	String suppressSmap = config.getInitParameter("suppressSmap");
	if (suppressSmap != null) {
	if (suppressSmap.equalsIgnoreCase("true")) {
	isSmapSuppressed = true;
	} else if (suppressSmap.equalsIgnoreCase("false")) {
	isSmapSuppressed = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.suppressSmap"));
	}
	}
	}

	String dumpSmap = config.getInitParameter("dumpSmap");
	if (dumpSmap != null) {
	if (dumpSmap.equalsIgnoreCase("true")) {
	isSmapDumped = true;
	} else if (dumpSmap.equalsIgnoreCase("false")) {
	isSmapDumped = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.dumpSmap"));
	}
	}
	}

	String genCharArray = config.getInitParameter("genStrAsCharArray");
	if (genCharArray != null) {
	if (genCharArray.equalsIgnoreCase("true")) {
	genStringAsCharArray = true;
	} else if (genCharArray.equalsIgnoreCase("false")) {
	genStringAsCharArray = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.genchararray"));
	}
	}
	}

	String errBeanClass =
	config.getInitParameter("errorOnUseBeanInvalidClassAttribute");
	if (errBeanClass != null) {
	if (errBeanClass.equalsIgnoreCase("true")) {
	errorOnUseBeanInvalidClassAttribute = true;
	} else if (errBeanClass.equalsIgnoreCase("false")) {
	errorOnUseBeanInvalidClassAttribute = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.errBean"));
	}
	}
	}

	String ieClassId = config.getInitParameter("ieClassId");
	if (ieClassId != null)
	this.ieClassId = ieClassId;

	String classpath = config.getInitParameter("classpath");
	if (classpath != null)
	this.classpath = classpath;

	/*
	* scratchdir
	*/
	String dir = config.getInitParameter("scratchdir");
	if (dir != null) {
	scratchDir = new File(dir);
	} else {
	// First try the Servlet 2.2 javax.servlet.context.tempdir property
	scratchDir = (File) context.getAttribute(Constants.TMP_DIR);
	if (scratchDir == null) {
	// Not running in a Servlet 2.2 container.
	// Try to get the JDK 1.2 java.io.tmpdir property
	dir = System.getProperty("java.io.tmpdir");
	if (dir != null)
	scratchDir = new File(dir);
	}
	}
	if (this.scratchDir == null) {
	log.fatal(Localizer.getMessage("jsp.error.no.scratch.dir"));
	return;
	}

	if (!(scratchDir.exists() && scratchDir.canRead() &&
	scratchDir.canWrite() && scratchDir.isDirectory()))
	log.fatal(Localizer.getMessage("jsp.error.bad.scratch.dir",
	scratchDir.getAbsolutePath()));

	this.compiler = config.getInitParameter("compiler");

	String compilerTargetVM = config.getInitParameter("compilerTargetVM");
	if(compilerTargetVM != null) {
	this.compilerTargetVM = compilerTargetVM;
	}

	String javaEncoding = config.getInitParameter("javaEncoding");
	if (javaEncoding != null) {
	this.javaEncoding = javaEncoding;
	}

	String fork = config.getInitParameter("fork");
	if (fork != null) {
	if (fork.equalsIgnoreCase("true")) {
	this.fork = true;
	} else if (fork.equalsIgnoreCase("false")) {
	this.fork = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.fork"));
	}
	}
	}

	/*
	* X-Powered-By
	*/
	String xpoweredBy = config.getInitParameter("xpoweredBy");
	if (xpoweredBy != null) {
	if (xpoweredBy.equalsIgnoreCase("true")) {
	this.xpoweredBy = true;
	} else if (xpoweredBy.equalsIgnoreCase("false")) {
	this.xpoweredBy = false;
	} else {
	if (log.isWarnEnabled()) {
	log.warn(Localizer.getMessage("jsp.warning.xpoweredBy"));
	}
	}
	}

	// Setup the global Tag Libraries location cache for this
	// web-application.
	tldLocationsCache = new TldLocationsCache(context);

	// Setup the jsp config info for this web app.
	jspConfig = new JspConfig(context);

	// Create a Tag plugin instance
	tagPluginManager = new TagPluginManager(context);
	}

	}