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*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* Portions Copyright Apache Software Foundation.
*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
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* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
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*/
package org.apache.jasper;
import java.io.File;
import java.util.*;
import java.text.MessageFormat;
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 com.sun.org.apache.commons.logging.Log;
import com.sun.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;
/**
* If class files are generated as byte arrays, should they be saved to
* disk at the end of compilations?
*/
private boolean saveBytecode = false;
/**
* 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 = 0;
/**
* 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 genStringAsByteArray = true;
private boolean defaultBufferNone = false;
private boolean errorOnUseBeanInvalidClassAttribute = false;
/**
* 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;
// START PWC 1.2 6311155
private String sysClassPath = null;
// END PWC 1.2 6311155
/**
* Compiler to use.
*/
private String compiler = null;
/**
* Compiler target VM.
*/
private String compilerTargetVM = "1.5";
/**
* The compiler source VM.
*/
private String compilerSourceVM = "1.5";
/**
* 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";
/**
* Modification test interval.
*/
private int modificationTestInterval = 0;
/**
* Is generation of X-Powered-By response header enabled/disabled?
*/
private boolean xpoweredBy;
// BEGIN S1AS 6181923
private boolean usePrecompiled;
// END S1AS 6181923
// START SJSAS 6384538
private boolean isValidationEnabled;
// END SJSAS 6384538
// START SJSWS
/*
* Initial capacity of HashMap which maps JSPs to their corresponding
* servlets
*/
private int initialCapacity = Constants.DEFAULT_INITIAL_CAPACITY;
// END SJSWS
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;
}
public boolean getSaveBytecode() {
return this.saveBytecode;
}
/**
* 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;
}
/**
* Modification test interval.
*/
public int getModificationTestInterval() {
return modificationTestInterval;
}
/**
* Is Jasper being used in development mode?
*/
public boolean getDevelopment() {
return development;
}
/**
* 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;
}
public boolean genStringAsByteArray() {
return this.genStringAsByteArray;
}
public boolean isDefaultBufferNone() {
return defaultBufferNone;
}
/**
* 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;
}
// START PWC 1.2 6311155
/**
* Gets the system class path.
*
* @return The system class path
*/
public String getSystemClassPath() {
return sysClassPath;
}
// END PWC 1.2 6311155
/**
* 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;
}
/**
* @see Options#getCompilerSourceVM
*/
public String getCompilerSourceVM() {
return compilerSourceVM;
}
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;
}
// START SJSWS
/**
* Gets initial capacity of HashMap which maps JSPs to their corresponding
* servlets.
*/
public int getInitialCapacity() {
return initialCapacity;
}
// END SJSWS
// BEGIN S1AS 6181923
/**
* Returns the value of the usePrecompiled (or use-precompiled) init
* param.
*/
public boolean getUsePrecompiled() {
return usePrecompiled;
}
// END S1AS 6181923
// START SJSAS 6384538
public boolean isValidationEnabled() {
return isValidationEnabled;
}
// END SJSAS 6384538
/**
* Create an EmbeddedServletOptions object using data available from
* ServletConfig and ServletContext.
*/
public EmbeddedServletOptions(ServletConfig config,
ServletContext context) {
// JVM version numbers
try {
if (Float.parseFloat(System.getProperty("java.specification.version")) > 1.4) {
compilerSourceVM = compilerTargetVM = "1.5";
} else {
compilerSourceVM = compilerTargetVM = "1.4";
}
} catch (NumberFormatException e) {
// Ignore
}
Enumeration enumeration=config.getInitParameterNames();
while( enumeration.hasMoreElements() ) {
String k=(String)enumeration.nextElement();
String v=config.getInitParameter( k );
setProperty( k, v);
}
/* SJSAS 6384538
// quick hack
String validating=config.getInitParameter( "validating");
if( "false".equals( validating )) ParserUtils.validating=false;
*/
// START SJSAS 6384538
String validating=config.getInitParameter("validating");
if ("true".equals(validating)) {
isValidationEnabled = true;
}
validating = config.getInitParameter("enableTldValidation");
if ("true".equals(validating)) {
isValidationEnabled = true;
}
// END SJSAS 6384538
// keepgenerated default is false for JDK6 for later, true otherwise
keepGenerated = getBoolean(config, ! isJDK6(), "keepgenerated");
saveBytecode = getBoolean(config, saveBytecode, "saveBytecode");
trimSpaces = getBoolean(config, trimSpaces, "trimSpaces");
isPoolingEnabled = getBoolean(config, isPoolingEnabled, "enablePooling");
mappedFile = getBoolean(config, mappedFile, "mappedfile");
sendErrorToClient = getBoolean(config, sendErrorToClient, "sendErrToClient");
classDebugInfo = getBoolean(config, classDebugInfo, "classdebuginfo");
development = getBoolean(config, development, "development");
isSmapSuppressed = getBoolean(config, isSmapSuppressed, "suppressSmap");
isSmapDumped = getBoolean(config, isSmapDumped, "dumpSmap");
genStringAsCharArray = getBoolean(config, genStringAsCharArray, "genStrAsCharArray");
genStringAsByteArray = getBoolean(config, genStringAsByteArray, "genStrAsByteArray");
defaultBufferNone = getBoolean(config, defaultBufferNone, "defaultBufferNone");
errorOnUseBeanInvalidClassAttribute = getBoolean(config, errorOnUseBeanInvalidClassAttribute, "errorOnUseBeanInvalidClassAttribute");
fork = getBoolean(config, fork, "fork");
xpoweredBy = getBoolean(config, xpoweredBy, "xpoweredBy");
String checkIntervalStr = config.getInitParameter("checkInterval");
if (checkIntervalStr != null) {
parseCheckInterval(checkIntervalStr);
}
String modificationTestIntervalStr =
config.getInitParameter("modificationTestInterval");
if (modificationTestIntervalStr != null) {
parseModificationTestInterval(modificationTestIntervalStr);
}
String ieClassId = config.getInitParameter("ieClassId");
if (ieClassId != null)
this.ieClassId = ieClassId;
String classpath = config.getInitParameter("classpath");
if (classpath != null)
this.classpath = classpath;
// START PWC 1.2 6311155
String sysClassPath = config.getInitParameter(
"com.sun.appserv.jsp.classpath");
if (sysClassPath != null)
this.sysClassPath = sysClassPath;
// END PWC 1.2 6311155
/*
* 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 compilerSourceVM = config.getInitParameter("compilerSourceVM");
if(compilerSourceVM != null) {
this.compilerSourceVM = compilerSourceVM;
}
String javaEncoding = config.getInitParameter("javaEncoding");
if (javaEncoding != null) {
this.javaEncoding = javaEncoding;
}
String reloadIntervalString =
config.getInitParameter("reload-interval");
if (reloadIntervalString != null) {
int reloadInterval = 0;
try {
reloadInterval = Integer.parseInt(reloadIntervalString);
} catch (NumberFormatException e) {
if (log.isWarnEnabled()) {
log.warn(Localizer.getMessage("jsp.warning.reloadInterval"));
}
}
if (reloadInterval == -1) {
// Never check JSPs for modifications, and disable
// recompilation
this.development = false;
this.checkInterval = 0;
} else {
// Check JSPs for modifications at specified interval in
// both (development and non-development) modes
parseCheckInterval(reloadIntervalString);
parseModificationTestInterval(reloadIntervalString);
}
}
// BEGIN S1AS 6181923
String usePrecompiled = config.getInitParameter("usePrecompiled");
if (usePrecompiled == null) {
usePrecompiled = config.getInitParameter("use-precompiled");
}
if (usePrecompiled != null) {
if (usePrecompiled.equalsIgnoreCase("true")) {
this.usePrecompiled = true;
} else if (usePrecompiled.equalsIgnoreCase("false")) {
this.usePrecompiled = false;
} else {
if (log.isWarnEnabled()) {
log.warn(Localizer.getMessage("jsp.warning.usePrecompiled"));
}
}
}
// END S1AS 6181923
// START SJSWS
String capacity = config.getInitParameter("initialCapacity");
if (capacity == null) {
capacity = config.getInitParameter("initial-capacity");
}
if (capacity != null) {
try {
initialCapacity = Integer.parseInt(capacity);
// Find a value that is power of 2 and >= the specified
// initial capacity, in order to make Hashtable indexing
// more efficient.
int value = Constants.DEFAULT_INITIAL_CAPACITY;
while (value < initialCapacity) {
value *= 2;
}
initialCapacity = value;
} catch (NumberFormatException nfe) {
if (log.isWarnEnabled()) {
String msg = Localizer.getMessage(
"jsp.warning.initialcapacity");
msg = MessageFormat.format(
msg,
new Object[] {
capacity,
Integer.valueOf(Constants.DEFAULT_INITIAL_CAPACITY)});
log.warn(msg);
}
}
}
String jspCompilerPlugin = config.getInitParameter("javaCompilerPlugin");
if (jspCompilerPlugin != null) {
if ("org.apache.jasper.compiler.JikesJavaCompiler".equals(
jspCompilerPlugin)) {
this.compiler = "jikes";
} else if ("org.apache.jasper.compiler.SunJava14Compiler".equals(
jspCompilerPlugin)) {
// use default, do nothing
} else {
// use default, issue warning
if (log.isWarnEnabled()) {
String msg = Localizer.getMessage(
"jsp.warning.unsupportedJavaCompiler");
msg = MessageFormat.format(msg,
new Object[]
{ jspCompilerPlugin });
log.warn(msg);
}
}
}
// END SJSWS
// Setup the global Tag Libraries location cache for this
// web-application.
/* SJSAS 6384538
tldLocationsCache = new TldLocationsCache(context);
*/
// START SJSAS 6384538
tldLocationsCache = new TldLocationsCache(context, this);
// END SJSAS 6384538
// Setup the jsp config info for this web app.
/* SJSAS 6384538
jspConfig = new JspConfig(context);
*/
// START SJSAS 6384538
jspConfig = new JspConfig(context, this);
// END SJSAS 6384538
// Create a Tag plugin instance
tagPluginManager = new TagPluginManager(context);
}
private void parseCheckInterval(String param) {
try {
this.checkInterval = Integer.parseInt(param);
} catch(NumberFormatException ex) {
if (log.isWarnEnabled()) {
log.warn(Localizer.getMessage("jsp.warning.checkInterval"));
}
}
}
private void parseModificationTestInterval(String param) {
try {
this.modificationTestInterval = Integer.parseInt(param);
} catch(NumberFormatException ex) {
if (log.isWarnEnabled()) {
log.warn(Localizer.getMessage("jsp.warning.modificationTestInterval"));
}
}
}
private boolean getBoolean(ServletConfig config,
boolean init, String param) {
String sParam = config.getInitParameter(param);
if (sParam != null) {
if (sParam.equalsIgnoreCase("true")) {
return true;
}
if (sParam.equalsIgnoreCase("false")) {
return false;
}
if (log.isWarnEnabled()) {
log.warn(Localizer.getMessage("jsp.warning.boolean", param,
(init? "true": "false")));
}
}
return init;
}
/*
* returns true if running with JDK 6 or later.
*/
private boolean isJDK6() {
try {
Class.forName("javax.tools.ToolProvider");
return true;
} catch (ClassNotFoundException ex) {
}
return false;
}
}
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