com.qagen.osfe.core.loaders.DelimitedColumnLoader.java Source code

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Here is the source code for com.qagen.osfe.core.loaders.DelimitedColumnLoader.java

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/* Copyright 2008 Hycel Taylor
 *
 * 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 com.qagen.osfe.core.loaders;

import com.qagen.osfe.common.utils.DomReader;
import com.qagen.osfe.core.Loader;
import com.qagen.osfe.core.vo.DelimitedColumn;
import org.dom4j.Element;

import java.util.*;

/**
 * Author: Hycel Taylor
 * <p/>
 */
public class DelimitedColumnLoader extends Loader {
    public enum ELEMENT {
        delimitedColumns, delimitedColumn
    }

    public enum ATTRIBUTE {
        name, type, format
    }

    private Map<String, DelimitedColumn> delimitedColumnMap;
    private List<DelimitedColumn> delimitedColumns;

    /**
     * Constructor
     */
    public DelimitedColumnLoader() {
    }

    /**
     * Constructor
     *
     * @param root reference to root of a DOM document.
     */
    public DelimitedColumnLoader(Element root) {
        super(root, ELEMENT.delimitedColumns.name());
    }

    /**
     * Because OSFE uses dependency injection, the initialize method should be
     * used during a second pass of iniitializing objects.
     */
    public void initialize() {
        load(root, ELEMENT.delimitedColumns.name());
    }

    public void load(Element parent) {
        delimitedColumnMap = new HashMap<String, DelimitedColumn>();
        delimitedColumns = new ArrayList<DelimitedColumn>();

        final Iterator it = parent.elementIterator(ELEMENT.delimitedColumn.name());

        while (it.hasNext()) {
            final Element element = (Element) it.next();
            final String name = DomReader.getRequiredValue(element, ATTRIBUTE.name.name());
            final String type = DomReader.getRequiredValue(element, ATTRIBUTE.type.name());
            final String format = DomReader.getValue(element, ATTRIBUTE.format.name());
            final DelimitedColumn column = new DelimitedColumn(name, type, format);

            delimitedColumnMap.put(name, column);
            delimitedColumns.add(column);
        }
    }

    public int size() {
        return delimitedColumns != null ? delimitedColumns.size() : 0;
    }

    public Map<String, DelimitedColumn> getDelimitedColumnMap() {
        return delimitedColumnMap;
    }

    public List<DelimitedColumn> getDelimitedColumns() {
        return delimitedColumns;
    }
}