EchoToken.java

/**********************************************************************
Copyright (c) 2009 Asfun Net.

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.
 **********************************************************************/
package net.asfun.jangod.parse;

import static net.asfun.jangod.parse.ParserConstants.*;
import java.util.List;

public class EchoToken extends Token {

    private static final long serialVersionUID = 8307037212944170832L;

    private FilterParser fp;

    public EchoToken(String image) throws ParseException {
	super(image);
    }

    public String getVariable() {
	return fp.getVariable();
    }

    /**
     * get the filters
     * 
     * @return filters
     */
    public List<String> getFilters() {
	return fp.getFilters();
    }

    /**
     * get filters' args
     * 
     * @return
     */
    public List<String[]> getArgss() {
	return fp.getArgss();
    }

    /**
     * Get var and filters Like that if image =
     * {{obj.attr.attr|filter1:"ar|g1",arg2|filter2:'a:",b"c' }} then var =
     * obj.attr.attr filter = [ [filter1,ar|g1,arg2], [filter2,a:",b"c] ]
     * 
     * @throws ParseException
     */
    @Override
    protected void parse() throws ParseException {
	fp = new FilterParser(image.substring(2, image.length() - 2).trim());
	fp.parse();
    }

    @Override
    public String toString() {
	String s = "{{ " + fp.getVariable();
	int i, j;
	for (i = 0; i < fp.getFilters().size(); i++) {
	    s += "|" + fp.getFilters().get(i);
	    String[] args = fp.getArgss().get(i);
	    if (args != null) {
		s += ":";
		for (j = 0; j < args.length; j++) {
		    s += args[j];
		    if (j < args.length - 1) {
			s += ",";
		    }
		}
	    }
	}
	s += " }}";
	return s;
    }

    @Override
    public int getType() {
	return TOKEN_ECHO;
    }
}