errordata.java

梅花雪树的经典制作

/*
* 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;

/**
 * Contains information about an error, for error pages.
 * The information contained in this instance is meaningless if not used
 * in the context of an error page.  To indicate a JSP is an error page,
 * the page author must set the isErrorPage attribute of the page directive
 * to "true".
 *
 * @see PageContext#getErrorData
 * @since 2.0
 */

public final class ErrorData {

    private Throwable throwable;
    private int statusCode;
    private String uri;
    private String servletName;

    /**
     * Creates a new ErrorData object.
     *
     * @param throwable The Throwable that is the cause of the error
     * @param statusCode The status code of the error
     * @param uri The request URI
     * @param servletName The name of the servlet invoked
     */
    public ErrorData( Throwable throwable, int statusCode, String uri, 
	String servletName )
    {
	this.throwable = throwable;
	this.statusCode = statusCode;
	this.uri = uri;
	this.servletName = servletName;
    }

    /**
     * Returns the Throwable that caused the error.
     *
     * @return The Throwable that caused the error
     */
    public Throwable getThrowable() {
	return this.throwable;
    }

    /**
     * Returns the status code of the error.
     *
     * @return The status code of the error
     */
    public int getStatusCode() {
	return this.statusCode;
    }

    /**
     * Returns the request URI.
     *
     * @return The request URI
     */
    public String getRequestURI() {
	return this.uri;
    }

    /**
     * Returns the name of the servlet invoked.
     *
     * @return The name of the servlet invoked
     */
    public String getServletName() {
	return this.servletName;
    }
}