/*
 * Copyright (c) 2005-2011 Grameen Foundation USA
 * All rights reserved.
 *
 * Licensed 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.
 *
 * See also http://www.apache.org/licenses/LICENSE-2.0.html for an
 * explanation of the license and how it is applied.
 */

package org.mifos.framework.struts.tags;

import java.io.IOException;
import java.util.ResourceBundle;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;

/**
 * Custom tag for input fields of type "img". The tag selects properties file
 * according to the attribute mentioned in the tag.
 */

public class MifosImageTag extends TagSupport {

    private static final long serialVersionUID = 1L;
    protected String moduleName = null;
    protected String id = null;
    private String path = null;

    public MifosImageTag() {
        super();
    }

    /** Used to set the id given in the JSP file */

    @Override
    public void setId(final String id) {
        this.id = id;
    }

    @Override
    public String getId() {
        return this.id;
    }

    /** Used to set the fully qualified moduleName given in the JSP file */

    public void setModuleName(final String name) {
        this.moduleName = name;
    }

    public String getModuleName() {
        return this.moduleName;
    }

    private ResourceBundle getResourceBundle() {
        return ResourceBundle.getBundle(getModuleName());
    }

    /**
     * Function to render the tag
     *
     * @throws JspException
     */
    @Override
    public int doStartTag() throws JspException {
        JspWriter out = pageContext.getOut();
        ResourceBundle resource = getResourceBundle();
        path = resource.getString(getId());
        try {
            out.println(render());

        } catch (IOException e) {
            e.printStackTrace();
        }

        return SKIP_BODY;

    }

    public String render() {
        ResourceBundle resource = getResourceBundle();
        path = resource.getString(getId());
        XmlBuilder html = new XmlBuilder();
        html.startTag("html");
        html.startTag("body");
        html.singleTag("img", "src", path);
        html.endTag("body");
        html.endTag("html");
        return html.toString();
    }
}