imgtag.java

structs源码

/*
 * $Id: ImgTag.java 471754 2006-11-06 14:55:09Z husted $
 *
 * 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.struts.taglib.html;

import org.apache.struts.config.ModuleConfig;
import org.apache.struts.taglib.TagUtils;
import org.apache.struts.util.MessageResources;
import org.apache.struts.util.ModuleUtils;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspException;

import java.util.Iterator;
import java.util.Map;

/**
 * <p>Generate an IMG tag to the specified image URI. </p>
 *
 * <p>TODO:</p>
 *
 * <ul>
 *
 * <li>Make the <strong>alt</strong> and <strong>src</strong> settable from
 * properties (for i18n)</li>
 *
 * </ul>
 *
 * @version $Rev: 471754 $
 */
public class ImgTag extends BaseHandlerTag {
    /**
     * The message resources for this package.
     */
    protected static MessageResources messages =
        MessageResources.getMessageResources(Constants.Package
            + ".LocalStrings");

    // ------------------------------------------------------------- Properties

    /**
     * The property to specify where to align the image.
     */
    protected String align = null;

    /**
     * The border size around the image.
     */
    protected String border = null;

    /**
     * The image height.
     */
    protected String height = null;

    /**
     * The horizontal spacing around the image.
     */
    protected String hspace = null;

    /**
     * The image name for named images.
     */
    protected String imageName = null;

    /**
     * Server-side image map declaration.
     */
    protected String ismap = null;

    /**
     * The JSP bean name for query parameters.
     */
    protected String name = null;

    /**
     * The module-relative path, starting with a slash character, of the image
     * to be displayed by this rendered tag.
     */
    protected String page = null;

    /**
     * The message resources key under which we should look up the
     * <code>page</code> attribute for this generated tag, if any.
     */
    protected String pageKey = null;

    /**
     * The module-relative action (beginning with a slash) which will be used
     * as the source for this image.
     */
    protected String action = null;

    /**
     * The module prefix (beginning with a slash) which will be used to find
     * the action for this link.
     */
    protected String module = null;

    /**
     * In situations where an image is dynamically generated (such as to
     * create a chart graph), this specifies the single-parameter request
     * parameter name to generate.
     */
    protected String paramId = null;

    /**
     * The single-parameter JSP bean name.
     */
    protected String paramName = null;

    /**
     * The single-parameter JSP bean property.
     */
    protected String paramProperty = null;

    /**
     * The single-parameter JSP bean scope.
     */
    protected String paramScope = null;

    /**
     * The JSP bean property name for query parameters.
     */
    protected String property = null;

    /**
     * The scope of the bean specified by the name property, if any.
     */
    protected String scope = null;

    /**
     * The image source URI.
     */
    protected String src = null;

    /**
     * The message resources key under which we should look up the
     * <code>src</code> attribute for this generated tag, if any.
     */
    protected String srcKey = null;

    /**
     * Client-side image map declaration.
     */
    protected String usemap = null;

    /**
     * The vertical spacing around the image.
     */
    protected String vspace = null;

    /**
     * The image width.
     */
    protected String width = null;
    protected boolean useLocalEncoding = false;

    // ----------------------------------------------------- Constructor
    public ImgTag() {
        super();
        doDisabled = false;
    }

    public String getAlign() {
        return (this.align);
    }

    public void setAlign(String align) {
        this.align = align;
    }

    public String getBorder() {
        return (this.border);
    }

    public void setBorder(String border) {
        this.border = border;
    }

    public String getHeight() {
        return (this.height);
    }

    public void setHeight(String height) {
        this.height = height;
    }

    public String getHspace() {
        return (this.hspace);
    }

    public void setHspace(String hspace) {
        this.hspace = hspace;
    }

    public String getImageName() {
        return (this.imageName);
    }

    public void setImageName(String imageName) {
        this.imageName = imageName;
    }

    public String getIsmap() {
        return (this.ismap);
    }

    public void setIsmap(String ismap) {
        this.ismap = ismap;
    }

    public String getName() {
        return (this.name);
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPage() {
        return (this.page);
    }

    public void setPage(String page) {
        this.page = page;
    }

    public String getPageKey() {
        return (this.pageKey);
    }

    public void setPageKey(String pageKey) {
        this.pageKey = pageKey;
    }

    public String getAction() {
        return (this.action);
    }

    public void setAction(String action) {
        this.action = action;
    }

    public String getModule() {
        return (this.module);
    }

    public void setModule(String module) {
        this.module = module;
    }

    public String getParamId() {
        return (this.paramId);
    }

    public void setParamId(String paramId) {
        this.paramId = paramId;
    }

    public String getParamName() {
        return (this.paramName);
    }

    public void setParamName(String paramName) {
        this.paramName = paramName;
    }

    public String getParamProperty() {
        return (this.paramProperty);
    }

    public void setParamProperty(String paramProperty) {
        this.paramProperty = paramProperty;
    }

    public String getParamScope() {
        return (this.paramScope);
    }

    public void setParamScope(String paramScope) {
        this.paramScope = paramScope;
    }

    public String getProperty() {
        return (this.property);
    }

    public void setProperty(String property) {
        this.property = property;
    }

    public String getScope() {
        return (this.scope);
    }

    public void setScope(String scope) {
        this.scope = scope;
    }

    public String getSrc() {
        return (this.src);
    }

    public void setSrc(String src) {
        this.src = src;
    }

    public String getSrcKey() {
        return (this.srcKey);
    }

    public void setSrcKey(String srcKey) {
        this.srcKey = srcKey;
    }

    public String getUsemap() {
        return (this.usemap);
    }