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java/org/apache/jasper/Constants.java

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+/*
+ * 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.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Some constants and other global data that are used by the compiler and the runtime.
+ *
+ * @author Anil K. Vijendran
+ * @author Harish Prabandham
+ * @author Shawn Bayern
+ * @author Mark Roth
+ */
+public class Constants {
+
+    /**
+     * The base class of the generated servlets.
+     */
+    public static final String JSP_SERVLET_BASE =
+        System.getProperty("org.apache.jasper.Constants.JSP_SERVLET_BASE", "org.apache.jasper.runtime.HttpJspBase");
+
+    /**
+     * _jspService is the name of the method that is called by
+     * HttpJspBase.service(). This is where most of the code generated
+     * from JSPs go.
+     */
+    public static final String SERVICE_METHOD_NAME =
+        System.getProperty("org.apache.jasper.Constants.SERVICE_METHOD_NAME", "_jspService");
+
+    /**
+     * These classes/packages are automatically imported by the
+     * generated code.
+     */
+    private static final String[] PRIVATE_STANDARD_IMPORTS = {
+        "javax.servlet.*",
+        "javax.servlet.http.*",
+        "javax.servlet.jsp.*"
+    };
+    public static final List<String> STANDARD_IMPORTS =
+        Collections.unmodifiableList(Arrays.asList(PRIVATE_STANDARD_IMPORTS));
+
+    /**
+     * ServletContext attribute for classpath. This is tomcat specific.
+     * Other servlet engines may choose to support this attribute if they
+     * want to have this JSP engine running on them.
+     */
+    public static final String SERVLET_CLASSPATH =
+        System.getProperty("org.apache.jasper.Constants.SERVLET_CLASSPATH", "org.apache.catalina.jsp_classpath");
+
+    /**
+     * Default size of the JSP buffer.
+     */
+    public static final int DEFAULT_BUFFER_SIZE = 8 * 1024;
+
+    /**
+     * Default size for the tag buffers.
+     */
+    public static final int DEFAULT_TAG_BUFFER_SIZE = 512;
+
+    /**
+     * Default tag handler pool size.
+     */
+    public static final int MAX_POOL_SIZE = 5;
+
+    /**
+     * The query parameter that causes the JSP engine to just
+     * pregenerated the servlet but not invoke it.
+     */
+    public static final String PRECOMPILE =
+        System.getProperty("org.apache.jasper.Constants.PRECOMPILE", "jsp_precompile");
+
+    /**
+     * The default package name for compiled jsp pages.
+     */
+    public static final String JSP_PACKAGE_NAME =
+        System.getProperty("org.apache.jasper.Constants.JSP_PACKAGE_NAME", "org.apache.jsp");
+
+    /**
+     * The default package name for tag handlers generated from tag files
+     */
+    public static final String TAG_FILE_PACKAGE_NAME =
+        System.getProperty("org.apache.jasper.Constants.TAG_FILE_PACKAGE_NAME", "org.apache.jsp.tag");
+
+    /**
+     * Default URLs to download the plugin for Netscape and IE.
+     */
+    public static final String NS_PLUGIN_URL =
+        "http://java.sun.com/products/plugin/";
+
+    public static final String IE_PLUGIN_URL =
+        "http://java.sun.com/products/plugin/1.2.2/jinstall-1_2_2-win.cab#Version=1,2,2,0";
+
+    /**
+     * Prefix to use for generated temporary variable names
+     */
+    public static final String TEMP_VARIABLE_NAME_PREFIX =
+        System.getProperty("org.apache.jasper.Constants.TEMP_VARIABLE_NAME_PREFIX", "_jspx_temp");
+
+    /**
+     * Has security been turned on?
+     */
+    public static final boolean IS_SECURITY_ENABLED =
+        (System.getSecurityManager() != null);
+
+    public static final boolean USE_INSTANCE_MANAGER_FOR_TAGS =
+        Boolean.parseBoolean(System.getProperty("org.apache.jasper.Constants.USE_INSTANCE_MANAGER_FOR_TAGS", "false"));
+
+    /**
+     * The name of the path parameter used to pass the session identifier
+     * back and forth with the client.
+     */
+    public static final String SESSION_PARAMETER_NAME =
+        System.getProperty("org.apache.catalina.SESSION_PARAMETER_NAME",
+                "jsessionid");
+
+    /**
+     * Name of the system property containing
+     * the tomcat product installation path
+     */
+    public static final String CATALINA_HOME_PROP = "catalina.home";
+
+
+    /**
+     * Name of the ServletContext init-param that determines if the XML parsers
+     * used for *.tld files will be validating or not.
+     * <p>
+     * This must be kept in sync with org.apache.catalina.Globals
+     */
+    public static final String XML_VALIDATION_TLD_INIT_PARAM =
+            "org.apache.jasper.XML_VALIDATE_TLD";
+
+    /**
+     * Name of the ServletContext init-param that determines if the XML parsers
+     * will block the resolution of external entities.
+     * <p>
+     * This must be kept in sync with org.apache.catalina.Globals
+     */
+    public static final String XML_BLOCK_EXTERNAL_INIT_PARAM =
+            "org.apache.jasper.XML_BLOCK_EXTERNAL";
+}