ExtLibRenderUtil.java

/*
 * � Copyright IBM Corp. 2011, 2013
 * 
 * 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.
 */
/*
* Author: Maire Kehoe (mkehoe@ie.ibm.com)
* Date: 17 Oct 2011
* ExtLibRenderUtil.java
*/
package com.ibm.xsp.extlib.util;

import com.ibm.xsp.util.JSUtil;

/**
 * 
 */
public class ExtLibRenderUtil {

    /**
     * Note, do not use StringUtil.isNotEmpty for image alt text
     * because for accessibility reasons there's a difference
     * between alt="" and no alt attribute set.
     * @param alt
     * @return
     */
    public static boolean isAltPresent(String alt) {
        // so we treat null and "" as different for alt.
        // TODO throughout the ExtLib verify that alt="" is supported
        // and that we're not using StringUtil.isNotEmpty nor !StringUtil.isEmpty
        return null != alt;
    }
    
    /**
     * Note, do not use StringUtil.isNotEmpty for table simmary text
     * because for accessibility reasons there's a difference
     * between summary="" and no summary attribute set.
     * @param summary
     * @return
     */
    public static boolean isSummaryPresent(String summary) {
        // so we treat null and "" as different for summary.
        // TODO throughout the ExtLib verify that summary="" is supported
        // and that we're not using StringUtil.isNotEmpty nor !StringUtil.isEmpty
        return null != summary;
    }
    /**
     * Like {@link JSUtil#addString(StringBuilder, String)} except using ' instead of ".
     * Only used for strings in javascript: values in HTML attributes. 
     * This will be deprecated in the Extlib 9.0.1 stream, 
     * when the 9.0.1 JSUtil has a copy of method.
     * @param b
     * @param s
     * @deprecated Deprecated in 9.0.1 and later - use {@link JSUtil#addSingleQuoteString(StringBuilder, String)} instead. 
     */
    @Deprecated
    public static void addSingleQuoteString(StringBuilder b, String s) {
        JSUtil.addSingleQuoteString(b, s);
    }
    
}