MatrixToolkit.java

package net.squiz.matrix.core;

import java.util.*;
import java.net.*;
import javax.swing.*;
import java.awt.Component;
import java.io.UnsupportedEncodingException;

public class MatrixToolkit {

    // cannot instantiate
    private MatrixToolkit() {}

    public static String rawUrlEncode(String url, boolean encodeSpaces) {
        try {
            url = URLEncoder.encode(url, "UTF-8");
        } catch (UnsupportedEncodingException uee) {
            System.err.println("Could not encode url");
            uee.printStackTrace();
        }
        if (!encodeSpaces)
            url = url.replace('+', ' ');
        return url;
    }

    public static String rawUrlDecode(String url) {
        try {
            url = URLDecoder.decode(url, "UTF-8");
        } catch (UnsupportedEncodingException uee) {
            System.err.println("Could not decode url");
            uee.printStackTrace();
        }
        return url;
    }

    public static String implode(String delimiter, List elements) {
        StringBuffer buff = new StringBuffer();
        Iterator iterator = elements.iterator();
        while (iterator.hasNext()) {
            Object element = iterator.next();
            if (element instanceof Integer)
                buff.append(((Integer) element).toString());
            else
                buff.append((String) element);
            buff.append(delimiter);
        }
        return buff.toString();
    }

    public static void addAssetToXML(StringBuffer xml, Asset asset, int start, int limit) {
        addAssetToXML(xml, asset.getId(), "0", start, limit);
    }

    public static void addAssetToXML(StringBuffer xml, String assetid, String linkid, int start, int limit) {
        if (assetid.equals("1")) {
            start = 0;
            limit = 0;
            linkid = "0";
        }
        String limitstr = "start=\""+start+"\" limit=\""+limit+"\"";

        xml.append("<asset assetid=\"").append(
                rawUrlEncode(assetid, false)).append("\" "+limitstr).append(" linkid=\"").append(rawUrlEncode(linkid, false)).append("\" />");
    }
}