org.apache.jasper.Options Maven / Gradle / Ivy
/*
* 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.jasper;
import java.io.File;
import java.util.Map;
import javax.servlet.jsp.tagext.TagLibraryInfo;
import org.apache.jasper.compiler.JspConfig;
import org.apache.jasper.compiler.TagPluginManager;
import org.apache.jasper.compiler.TldCache;
/**
* A class to hold all init parameters specific to the JSP engine.
*
* @author Anil K. Vijendran
* @author Hans Bergsten
* @author Pierre Delisle
*/
public interface Options {
/**
* Returns true if Jasper issues a compilation error instead of a runtime
* Instantiation error if the class attribute specified in useBean action
* is invalid.
* @return true to get an error
*/
boolean getErrorOnUseBeanInvalidClassAttribute();
/**
* @return true to keep the generated source
*/
boolean getKeepGenerated();
/**
* @return true if tag handler pooling is enabled,
* false otherwise.
*/
boolean isPoolingEnabled();
/**
* @return true if HTML mapped Servlets are supported.
*/
boolean getMappedFile();
/**
* @return true if debug information in included
* in compiled classes.
*/
boolean getClassDebugInfo();
/**
* @return background compile thread check interval in seconds
*/
int getCheckInterval();
/**
* Main development flag, which enables detailed error reports with
* sources, as well automatic recompilation of JSPs and tag files.
* This setting should usually be false when running
* in production.
* @return true if Jasper is in development mode
*/
boolean getDevelopment();
/**
* @return true to include a source fragment in exception
* messages.
*/
boolean getDisplaySourceFragment();
/**
* @return true to suppress generation of SMAP info for
* JSR45 debugging.
*/
boolean isSmapSuppressed();
/**
* This setting is ignored if suppressSmap() is true.
* @return true to write SMAP info for JSR45 debugging to a
* file.
*/
boolean isSmapDumped();
/**
* @return {@link TrimSpacesOption#TRUE} to remove template text that
* consists only of whitespace from the output completely,
* {@link TrimSpacesOption#SINGLE} to replace such template text
* with a single space, {@link TrimSpacesOption#FALSE} to leave
* such template text unchanged or {@link TrimSpacesOption#EXTENDED}
* to remove template text that consists only of whitespace and to
* replace any sequence of whitespace and new lines within template
* text with a single new line.
*/
TrimSpacesOption getTrimSpaces();
/**
* Gets the class-id value that is sent to Internet Explorer when using
* <jsp:plugin> tags.
* @return Class-id value
*
* @deprecated Will be removed in Tomcat 10.1.x
*/
@Deprecated String getIeClassId();
/**
* @return the work folder
*/
File getScratchDir();
/**
* @return the classpath used to compile generated Servlets
*/
String getClassPath();
/**
* Compiler to use.
*
*
* If null (the default), the java compiler from Eclipse JDT
* project, bundled with Tomcat, will be used. Otherwise, the
* javac task from Apache Ant will be used to call an external
* java compiler and the value of this option will be passed to it. See
* Apache Ant documentation for the possible values.
* @return the compiler name
*/
String getCompiler();
/**
* @return the compiler target VM, e.g. 1.8.
*/
String getCompilerTargetVM();
/**
* @return the compiler source VM, e.g. 1.8.
*/
String getCompilerSourceVM();
/**
* @return Jasper Java compiler class to use.
*/
String getCompilerClassName();
/**
* The cache that maps URIs, resource paths and parsed TLD files for the
* various tag libraries 'exposed' by the web application.
* A tag library is 'exposed' either explicitly in
* web.xml or implicitly via the uri tag in the TLD
* of a taglib deployed in a jar file (WEB-INF/lib).
*
* @return the instance of the TldCache
* for the web-application.
*/
TldCache getTldCache();
/**
* @return Java platform encoding to generate the JSP page servlet.
*/
String getJavaEncoding();
/**
* The boolean flag to tell Ant whether to fork JSP page compilations.
*
*
* Is used only when Jasper uses an external java compiler (wrapped through
* a javac Apache Ant task).
* @return true to fork a process during compilation
*/
boolean getFork();
/**
* @return JSP configuration information specified in web.xml.
*/
JspConfig getJspConfig();
/**
* @return true to generate a X-Powered-By response header.
*/
boolean isXpoweredBy();
/**
* @return a Tag Plugin Manager
*/
TagPluginManager getTagPluginManager();
/**
* Indicates whether text strings are to be generated as char arrays.
*
* @return true if text strings are to be generated as char
* arrays, false otherwise
*/
boolean genStringAsCharArray();
/**
* @return modification test interval.
*/
int getModificationTestInterval();
/**
* @return true if re-compile will occur on a failure.
*/
boolean getRecompileOnFail();
/**
* @return true is caching is enabled
* (used for precompilation).
*/
boolean isCaching();
/**
* The web-application wide cache for the TagLibraryInfo tag library
* descriptors, used if {@link #isCaching()} returns true.
*
*
* Using this cache avoids the cost of repeating the parsing of a tag
* library descriptor XML file (performed by TagLibraryInfoImpl.parseTLD).
*
*
* @return the Map(String uri, TagLibraryInfo tld) instance.
*/
Map getCache();
/**
* The maximum number of loaded jsps per web-application. If there are more
* jsps loaded, they will be unloaded. If unset or less than 0, no jsps
* are unloaded.
* @return The JSP count
*/
int getMaxLoadedJsps();
/**
* @return the idle time in seconds after which a JSP is unloaded.
* If unset or less or equal than 0, no jsps are unloaded.
*/
int getJspIdleTimeout();
/**
* @return {@code true} if the quote escaping required by section JSP.1.6 of
* the JSP specification should be applied to scriplet expression.
*/
boolean getStrictQuoteEscaping();
/**
* @return {@code true} if EL expressions used within attributes should have
* the quoting rules in JSP.1.6 applied to the expression.
*/
boolean getQuoteAttributeEL();
/**
* Should the container include the time the file was generated in the
* comments at the start of a Java file generated from a JSP or tag.
* Defaults to {@code true}.
*
* @return {@code true} to include the timestamp, otherwise don't include it
*/
default boolean getGeneratedJavaAddTimestamp() {
return true;
}
}