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The source code/* * $Header: /home/cvs/jakarta-tomcat/src/share/org/apache/jasper/JspCompilationContext.java,v 1.6 2004/02/23 06:30:55 billbarker Exp $ * $Revision: 1.6 $ * $Date: 2004/02/23 06:30:55 $ * * * 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.IOException; import org.apache.jasper.compiler.Compiler; import org.apache.jasper.compiler.JspReader; import org.apache.jasper.compiler.ServletWriter; /** * A place holder for various things that are used through out the JSP * engine. This is a per-request/per-context data structure. Some of * the instance variables are set at different points. * * JspLoader creates this object and passes this off to the "compiler" * subsystem, which then initializes the rest of the variables. * * @author Anil K. Vijendran * @author Harish Prabandham */ public interface JspCompilationContext { /** * The classpath that is passed off to the Java compiler. */ public String getClassPath(); /** * Get the input reader for the JSP text. */ public JspReader getReader(); /** * Where is the servlet being generated? */ public ServletWriter getWriter(); /** * What class loader to use for loading classes while compiling * this JSP? I don't think this is used right now -- akv. */ public ClassLoader getClassLoader(); /** Add a jar to the classpath used by the loader */ public void addJar( String jar ) throws IOException ; /** * Are we processing something that has been declared as an * errorpage? */ public boolean isErrorPage(); /** * What is the scratch directory we are generating code into? * FIXME: In some places this is called scratchDir and in some * other places it is called outputDir. */ public String getOutputDir(); /** * Path of the JSP URI. Note that this is not a file name. This is * the context rooted URI of the JSP file. */ public String getJspFile(); /** * Just the class name (does not include package name) of the * generated class. */ public String getServletClassName(); /** * The package name into which the servlet class is generated. */ public String getServletPackageName(); /** * Utility method to get the full class name from the package and * class name. */ public String getFullClassName(); /** * Full path name of the Java file into which the servlet is being * generated. */ public String getServletJavaFileName(); /** * Are we keeping generated code around? */ public boolean keepGenerated(); /** * What's the content type of this JSP? Content type includes * content type and encoding. */ public String getContentType(); /** * Get hold of the Options object for this context. */ public Options getOptions(); public void setContentType(String contentType); public void setReader(JspReader reader); public void setWriter(ServletWriter writer); public void setServletClassName(String servletClassName); public void setServletPackageName(String servletPackageName); public void setServletJavaFileName(String servletJavaFileName); public void setErrorPage(boolean isErrPage); /** * Create a "Compiler" object based on some init param data. This * is not done yet. Right now we're just hardcoding the actual * compilers that are created. */ public Compiler createCompiler() throws JasperException; /** * Get the full value of a URI relative to this compilations context */ public String resolveRelativeUri(String uri); /** * Gets a resource as a stream, relative to the meanings of this * context's implementation. *@returns a null if the resource cannot be found or represented * as an InputStream. */ public java.io.InputStream getResourceAsStream(String res); /** * Gets the actual path of a URI relative to the context of * the compilation. */ public String getRealPath(String path); } |
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