TagAttributeInfo.java
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上传日期:2022-07-20
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文件大小:5k
源码类别:
数据库编程
开发平台:
Java
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution, if
- * any, must include the following acknowlegement:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowlegement may appear in the software itself,
- * if and wherever such third-party acknowlegements normally appear.
- *
- * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
- * Foundation" must not be used to endorse or promote products derived
- * from this software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache"
- * nor may "Apache" appear in their names without prior written
- * permission of the Apache Group.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- *
- */
- package javax.servlet.jsp.tagext;
- /**
- * Information on Tag Attributes;
- * this class is instantiated from the Tag Library Descriptor file (TLD).
- *
- * Only the information needed to generate code is included here. Other information
- * like SCHEMA for validation belongs elsewhere.
- */
- public class TagAttributeInfo {
- /**
- * "id" is wired in to be ID. There is no real benefit in having it be something else
- * IDREFs are not handled any differently.
- */
- public static final String ID = "id";
- /**
- * Constructor for TagAttributeInfo.
- * No public constructor; this class is to be instantiated only from the
- * TagLibrary code under request from some JSP code that is parsing a
- * TLD (Tag Library Descriptor).
- *
- * @param name The name of the attribute
- * @param type The name of the type of the attribute
- * @param reqTime Can this attribute hold a request-time Attribute
- */
- // TODO -- add the content descriptor...
- public TagAttributeInfo(String name, boolean required,
- String type, boolean reqTime)
- {
- this.name = name;
- this.required = required;
- this.type = type;
- this.reqTime = reqTime;
- }
- /**
- * @returns the name of the attribute
- */
- public String getName() {
- return name;
- }
- /**
- * @returns the type of the attribute
- */
- public String getTypeName() {
- return type;
- }
- /**
- * Can this attribute hold a request-time value?
- */
- public boolean canBeRequestTime() {
- return reqTime;
- }
- /**
- * Is this required or not?
- */
- public boolean isRequired() {
- return required;
- }
- /**
- * Convenience method that goes through an array of TagAttributeInfo
- * objects and looks for "id".
- */
- public static TagAttributeInfo getIdAttribute(TagAttributeInfo a[]) {
- for (int i=0; i<a.length; i++) {
- if (a[i].getName().equals(ID)) {
- return a[i];
- }
- }
- return null; // no such attribute
- }
- public String toString() {
- StringBuffer b = new StringBuffer();
- b.append("name = "+name+" ");
- b.append("type = "+type+" ");
- b.append("reqTime = "+reqTime+" ");
- b.append("required = "+required+" ");
- return b.toString();
- }
- /*
- * fields
- */
- private String name;
- private String type;
- private boolean reqTime;
- private boolean required;
- }