init

2024-11-30 19:03:49 +08:00
commit 1e6763c160
3806 changed files with 737676 additions and 0 deletions
--- a/java/javax/servlet/jsp/JspApplicationContext.java
+++ b/java/javax/servlet/jsp/JspApplicationContext.java
@@ -0,0 +1,80 @@
+/*
+ * 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 javax.servlet.jsp;
+
+import javax.el.ELContextListener;
+import javax.el.ELResolver;
+import javax.el.ExpressionFactory;
+
+/**
+ * <p>
+ * Stores <i>application</i>-scoped information for the JSP container.
+ * </p>
+ *
+ * @since 2.1
+ */
+public interface JspApplicationContext {
+
+    /**
+     * Registers an <code>ELContextListener</code> that will be notified
+     * whenever a new <code>ELContext</code> is created.
+     * <p>
+     * At the very least, any <code>ELContext</code> instantiated will have
+     * reference to the <code>JspContext</code> under
+     * <code>JspContext.class</code>.
+     *
+     * @param listener The listener to add
+     */
+    public void addELContextListener(ELContextListener listener);
+
+    /**
+     * <p>
+     * Adds an <code>ELResolver</code> to the chain of EL variable and property
+     * management within JSP pages and Tag files.
+     * </p>
+     * <p>
+     * JSP has a default set of ELResolvers to chain for all EL evaluation:
+     * </p>
+     * <ul>
+     * <li><code>ImplicitObjectELResolver</code></li>
+     * <li><code>ELResolver</code> instances registered with this method</li>
+     * <li><code>MapELResolver</code></li>
+     * <li><code>ListELResolver</code></li>
+     * <li><code>ArrayELResolver</code></li>
+     * <li><code>BeanELResolver</code></li>
+     * <li><code>ScopedAttributeELResolver</code></li>
+     * </ul>
+     *
+     * @param resolver
+     *            an additional resolver
+     * @throws IllegalStateException
+     *             if called after the application's
+     *             <code>ServletContextListeners</code> have been initialized.
+     */
+    public void addELResolver(ELResolver resolver) throws IllegalStateException;
+
+    /**
+     * <p>
+     * Returns the JSP container's <code>ExpressionFactory</code> implementation
+     * for EL use.
+     * </p>
+     *
+     * @return an <code>ExpressionFactory</code> implementation
+     */
+    public ExpressionFactory getExpressionFactory();
+
+}