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package com.sun.jersey.samples.console.resources;
import java.util.ArrayList;
import java.util.List;
import javax.ws.rs.GET;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import org.codehaus.jettison.json.JSONArray;
/**
* A web resource for a list of colours.
*/
public class Colours {
private static String colours[] = {"red","orange","yellow","green","blue","indigo","violet"};
/**
* Returns a list of colours as plain text, one colour per line.
* @param filter If not empty, constrains the list of colours to only
* those that contain this substring
* @return the list of colours matching the filter
*/
@GET
@Produces("text/plain")
public String getColourListAsText(@QueryParam("match") String filter) {
StringBuffer buf = new StringBuffer();
for (String colour: getMatchingColours(filter)) {
buf.append(colour);
buf.append('\n');
}
return buf.toString();
}
/**
* Returns a list of colours as a JSON array.
* @param filter If not empty, constrains the list of colours to only
* those that contain this substring
* @return the list of colours matching the filter
*/
@GET
@Produces("application/json")
public JSONArray getColourListAsJSON(@QueryParam("match") String filter) {
return new JSONArray(getMatchingColours(filter));
}
/**
* Returns a list of colours.
* @param filter If not empty, constrains the list of colours to only
* those that contain this substring
* @return the list of colours matching the filter
*/
public static List<String> getMatchingColours(String filter) {
List<String> matches = new ArrayList<String>();
for (String colour: colours) {
if (filter==null || filter.length()==0 || colour.contains(filter)) {
matches.add(colour);
}
}
return matches;
}
}