gr.xe.conf.lines.PathLine.java Source code

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Here is the source code for gr.xe.conf.lines.PathLine.java

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/*
 * Copyright 2011 Kapelonis Kostis
 *
 * 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 gr.xe.conf.lines;

import gr.xe.conf.tree.ConfNode;
import gr.xe.conf.tree.PathNode;

import org.apache.commons.lang.StringUtils;

/**
 * @author kkapelonis
 */
public class PathLine implements LineReader {

    private ConfNode now = null;
    private String line = null;

    @Override
    public boolean matches(String line) {
        return line.trim().startsWith("<");
    }

    @Override
    public ConfNode process(ConfNode where, String textline) {
        this.line = textline.trim();
        now = where;
        if (line.startsWith("</")) {
            return closeTag();
        } else // <
        {
            return openTag();
        }
    }

    private ConfNode openTag() {
        String name = StringUtils.substringBetween(line, "<", ">");
        if (now.getChildren().containsKey(name)) {
            return now.getChildren().get(name);
        } else {
            PathNode newNode = new PathNode(now);
            newNode.setName(name);
            now.getChildren().put(name, newNode);
            return newNode;
        }

    }

    private ConfNode closeTag() {
        //TODO maybe check that the node closed was the one opened
        return now.getParent();
    }

}