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/*
* Indentation Information:
* 0. Please (try to) preserve these settings.
* 1. Tabs are preferred over spaces.
* 2. In vi/vim -
* :set tabstop=4 :set shiftwidth=4 :set softtabstop=4
* 3. In S1 Studio -
* 1. Tools->Options->Editor Settings->Java Editor->Tab Size = 4
* 2. Tools->Options->Indentation Engines->Java Indentation Engine->Expand Tabs to Spaces = False.
* 3. Tools->Options->Indentation Engines->Java Indentation Engine->Number of Spaces per Tab = 4.
*/
/*
* @author byron.nevins@sun.com
*/
package com.sun.enterprise.deployment.backend;
import java.io.*;
import java.util.*;
import java.util.logging.*;
import org.apache.jasper.JspC;
import com.sun.enterprise.util.io.FileUtils;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.deployment.WebBundleDescriptor;
import com.sun.enterprise.deployment.WebComponentDescriptor;
import com.sun.enterprise.deployment.web.InitializationParameter;
import com.sun.enterprise.deployment.runtime.web.SunWebApp;
import com.sun.enterprise.deployment.runtime.web.WebProperty;
import com.sun.enterprise.deployment.runtime.web.JspConfig;
import com.sun.appserv.server.util.ASClassLoaderUtil;
public final class JSPCompiler
{
public static void compile(File inWebDir, File outWebDir,
WebBundleDescriptor wbd)
throws IASDeploymentException
{
compile(inWebDir, outWebDir, wbd, null);
}
////////////////////////////////////////////////////////////////////////////
public static void compile(File inWebDir, File outWebDir,
WebBundleDescriptor wbd, List classpathList)
throws IASDeploymentException
{
JspC jspc = new JspC();
if (classpathList != null)
{
String classpath = getClasspath(classpathList);
if (classpath != null)
jspc.setClassPath(classpath);
}
// START SJSAS 6311155
String appName = wbd.getApplication().getName();
String sysClassPath = ASClassLoaderUtil.getWebModuleClassPath(appName);
jspc.setSystemClassPath(sysClassPath);
// END SJSAS 6311155
verify(inWebDir, outWebDir);
configureJspc(jspc, wbd);
jspc.setOutputDir(outWebDir.getAbsolutePath());
jspc.setUriroot(inWebDir.getAbsolutePath());
jspc.setCompile(true);
logger.info(startMessage);
try
{
jspc.execute();
}
catch (Exception je)
{
throw new IASDeploymentException("JSP Compilation Error: " + je, je);
}
finally
{
// bnevins 9-9-03 -- There may be no jsp files in this web-module
// in such a case the code above will create a useless, and possibly
// problematic empty directory. If the directory is empty -- delete
// the directory.
String[] files = outWebDir.list();
if(files == null || files.length <= 0)
outWebDir.delete();
logger.info(finishMessage);
}
}
////////////////////////////////////////////////////////////////////////////
private static void verify(File inWebDir, File outWebDir) throws IASDeploymentException
{
// inWebDir must exist, outWebDir must either exist or be creatable
if (!FileUtils.safeIsDirectory(inWebDir))
{
throw new IASDeploymentException("inWebDir is not a directory: " + inWebDir);
}
if (!FileUtils.safeIsDirectory(outWebDir))
{
outWebDir.mkdirs();
if (!FileUtils.safeIsDirectory(outWebDir))
{
throw new IASDeploymentException("outWebDir is not a directory, and it can't be created: " + outWebDir);
}
}
}
////////////////////////////////////////////////////////////////////////////
private static String getClasspath(List paths)
{
if(paths == null)
return null;
String classpath = null;
StringBuffer sb = new StringBuffer();
boolean first = true;
for (Iterator it = paths.iterator(); it.hasNext(); )
{
String path = (String)it.next();
if (first)
first = false;
else
sb.append(File.pathSeparatorChar);
sb.append(path);
}
if (sb.length() > 0)
classpath = sb.toString();
return classpath;
}
////////////////////////////////////////////////////////////////////////////
/*
* Configures the given JspC instance with the jsp-config properties
* specified in the sun-web.xml of the web module represented by the
* given WebBundleDescriptor.
*
* @param jspc JspC instance to be configured
* @param wbd WebBundleDescriptor of the web module whose sun-web.xml
* is used to configure the given JspC instance
*/
private static void configureJspc(JspC jspc, WebBundleDescriptor wbd) {
SunWebApp sunWebApp = wbd.getSunDescriptor();
if (sunWebApp == null) {
return;
}
// START SJSAS 6384538
if (sunWebApp.sizeWebProperty() > 0) {
WebProperty[] props = sunWebApp.getWebProperty();
for (int i = 0; i < props.length; i++) {
String pName = props[i].getAttributeValue("name");
String pValue = props[i].getAttributeValue("value");
if (pName == null || pValue == null) {
throw new IllegalArgumentException(
"Missing sun-web-app property name or value");
}
if ("enableTldValidation".equals(pName)) {
jspc.setIsValidationEnabled(
Boolean.valueOf(pValue).booleanValue());
}
}
}
// END SJSAS 6384538
// START SJSAS 6170435
/*
* Configure JspC with the init params of the JspServlet
*/
Set set = wbd.getWebComponentDescriptorsSet();
if (!set.isEmpty()) {
Iterator<WebComponentDescriptor> iterator = set.iterator();
while (iterator.hasNext()) {
WebComponentDescriptor webComponentDesc = iterator.next();
if ("jsp".equals(webComponentDesc.getCanonicalName())) {
Enumeration<InitializationParameter> en
= webComponentDesc.getInitializationParameters();
if (en != null) {
while (en.hasMoreElements()) {
InitializationParameter initP = en.nextElement();
configureJspc(jspc,
initP.getName(),
initP.getValue());
}
}
break;
}
}
}
// END SJSAS 6170435
/*
* Configure JspC with jsp-config properties from sun-web.xml,
* which override JspServlet init params of the same name.
*/
JspConfig jspConfig = sunWebApp.getJspConfig();
if (jspConfig == null) {
return;
}
WebProperty[] props = jspConfig.getWebProperty();
for (int i=0; props!=null && i<props.length; i++) {
configureJspc(jspc,
props[i].getAttributeValue("name"),
props[i].getAttributeValue("value"));
}
}
/*
* Configures the given JspC instance with the given property name
* and value.
*
* @jspc The JspC instance to configure
* @pName The property name
* @pValue The property value
*/
private static void configureJspc(JspC jspc, String pName,
String pValue) {
if (pName == null || pValue == null) {
throw new IllegalArgumentException(
"Null property name or value");
}
if ("xpoweredBy".equals(pName)) {
jspc.setXpoweredBy(Boolean.valueOf(pValue).booleanValue());
} else if ("classdebuginfo".equals(pName)) {
jspc.setClassDebugInfo(Boolean.valueOf(pValue).booleanValue());
} else if ("enablePooling".equals(pName)) {
jspc.setPoolingEnabled(Boolean.valueOf(pValue).booleanValue());
} else if ("ieClassId".equals(pName)) {
jspc.setIeClassId(pValue);
} else if ("trimSpaces".equals(pName)) {
jspc.setTrimSpaces(Boolean.valueOf(pValue).booleanValue());
} else if ("genStrAsCharArray".equals(pName)) {
jspc.setGenStringAsCharArray(
Boolean.valueOf(pValue).booleanValue());
} else if ("errorOnUseBeanInvalidClassAttribute".equals(pName)) {
jspc.setErrorOnUseBeanInvalidClassAttribute(
Boolean.valueOf(pValue).booleanValue());
} else if ("ignoreJspFragmentErrors".equals(pName)) {
jspc.setIgnoreJspFragmentErrors(
Boolean.valueOf(pValue).booleanValue());
}
}
////////////////////////////////////////////////////////////////////////////
private static final String startMessage =
getStringManager().getStringWithDefault("enterprise.deployment.backend.start_jspc", "Beginning JSP Precompile...");
private static final String finishMessage =
getStringManager().getStringWithDefault("enterprise.deployment.backend.finish_jspc", "Finished JSP Precompile");
private static final Logger logger = DeploymentLogger.get();
////////////////////////////////////////////////////////////////////////////
private static StringManager
getStringManager() {
return StringManager.getManager( JSPCompiler.class );
}
}
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