source: trunk/greenstone3-extensions/gs3build/src/org/greenstone/gsdl3/gs3build/util/XMLTools.java@ 12188

package org.greenstone.gsdl3.gs3build.util;

public class XMLTools
{
    public static String getTag(String namespace, String label, boolean open)
    {   
    StringBuffer reply = new StringBuffer();

    reply.append("<");
    if (!open)
        {   
        reply.append("/");
        }
    if (namespace != null && namespace.length() > 0) {
        reply.append(namespace);
        reply.append(":");
    }
    reply.append(label);
    reply.append(">");
    return reply.toString();
    }

    public static String addAttribute(String tag, String attribute, String value)
    {   
    StringBuffer reply = new StringBuffer(tag);
    reply.insert(reply.length() - 1 , ' ');
    reply.insert(reply.length() - 1 , attribute);
    reply.insert(reply.length() - 1 , "=\"");
    reply.insert(reply.length() - 1 , value);
    reply.insert(reply.length() - 1 , '\"');
    return reply.toString();
    }

    public static String makeSingleton(String tag)
    {   
    StringBuffer reply = new StringBuffer(tag);
    reply.insert(tag.length() - 1, " /");
    return reply.toString();
    }
    
    public static String getOpenTag(String namespace, String label)
    {   
    return getTag(namespace, label, true);
    }
    
    public static String getCloseTag(String namespace, String label)
    {   
    return getTag(namespace, label, false);
    }

    /**
     *  Clean a string to remove whitespace...
     *
     *  @param <code>String</code> the original text
     *  @return <code>String</code> the 'cleaned' text
     */
    public static String cleanString(String original)
    {   
    StringBuffer buffer = new StringBuffer(original);

    while (buffer.charAt(0) <= 32) {
        buffer.deleteCharAt(0);
    }
    
    while (buffer.charAt(buffer.length() - 1) <= 32){
        buffer.deleteCharAt(buffer.length() - 1);
    }
    
    int c = 1;
    while (c < buffer.length()){
        if (buffer.charAt(c) < 32){
        buffer.setCharAt(c, ' ');
        }
        if (buffer.charAt(c) == ' ' && buffer.charAt(c-1) == ' '){
        buffer.deleteCharAt(c);
        continue;
        }
        c ++;
    }
    return buffer.toString();
    }
}