com.glaf.core.xml.XmlMappingReader.java Source code

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Here is the source code for com.glaf.core.xml.XmlMappingReader.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.glaf.core.xml;

import java.util.Iterator;
import java.util.List;

import org.apache.commons.lang3.StringUtils;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

import com.glaf.core.base.ColumnModel;
import com.glaf.core.base.TableModel;

public class XmlMappingReader {

    public TableModel read(java.io.InputStream inputStream) {
        TableModel tableModel = new TableModel();
        SAXReader xmlReader = new SAXReader();
        try {
            Document doc = xmlReader.read(inputStream);
            Element root = doc.getRootElement();
            Element element = root.element("entity");
            if (element != null) {
                tableModel.setEntityName(element.attributeValue("name"));
                tableModel.setPrimaryKey(element.attributeValue("primaryKey"));
                tableModel.setTableName(element.attributeValue("table"));
                tableModel.setTitle(element.attributeValue("title"));
                tableModel.setStopWord(element.attributeValue("stopWord"));
                tableModel.setPackageName(element.attributeValue("package"));
                tableModel.setEnglishTitle(element.attributeValue("englishTitle"));
                tableModel.setFilePrefix(element.attributeValue("filePrefix"));
                tableModel.setParseType(element.attributeValue("parseType"));
                tableModel.setParseClass(element.attributeValue("parseClass"));
                tableModel.setAggregationKey(element.attributeValue("aggregationKeys"));
                tableModel.setSplit(element.attributeValue("split"));
                if (StringUtils.equals(element.attributeValue("insertOnly"), "true")) {
                    tableModel.setInsertOnly(true);
                }

                String startRow = element.attributeValue("startRow");
                if (StringUtils.isNumeric(startRow)) {
                    tableModel.setStartRow(Integer.parseInt(startRow));
                }
                String stopSkipRow = element.attributeValue("stopSkipRow");
                if (StringUtils.isNumeric(stopSkipRow)) {
                    tableModel.setStopSkipRow(Integer.parseInt(stopSkipRow));
                }

                String minLength = element.attributeValue("minLength");
                if (StringUtils.isNumeric(minLength)) {
                    tableModel.setMinLength(Integer.parseInt(minLength));
                }

                String batchSize = element.attributeValue("batchSize");
                if (StringUtils.isNumeric(batchSize)) {
                    tableModel.setBatchSize(Integer.parseInt(batchSize));
                }

                List<?> excludes = element.elements("excludes");
                if (excludes != null && excludes.size() > 0) {
                    Iterator<?> iterator = excludes.iterator();
                    while (iterator.hasNext()) {
                        Element elem = (Element) iterator.next();
                        tableModel.addExclude(elem.getStringValue());
                    }
                }

                List<?> rows = element.elements("property");
                if (rows != null && rows.size() > 0) {
                    Iterator<?> iterator = rows.iterator();
                    while (iterator.hasNext()) {
                        Element elem = (Element) iterator.next();
                        ColumnModel field = new ColumnModel();
                        this.readField(elem, field);
                        tableModel.addColumn(field);
                        if (StringUtils.equals(tableModel.getPrimaryKey(), field.getColumnName())) {
                            tableModel.setIdColumn(field);
                        }
                    }
                }

                Element idElem = element.element("id");
                if (idElem != null) {
                    ColumnModel idField = new ColumnModel();
                    this.readField(idElem, idField);
                    tableModel.setIdColumn(idField);
                }
            }

        } catch (Exception ex) {
            ex.printStackTrace();
            throw new RuntimeException(ex);
        }

        return tableModel;
    }

    protected void readField(Element elem, ColumnModel field) {
        field.setName(elem.attributeValue("name"));
        field.setType(elem.attributeValue("type"));
        field.setColumnName(elem.attributeValue("column"));
        field.setTitle(elem.attributeValue("title"));
        field.setSecondTitle(elem.attributeValue("secondTitle"));
        field.setTrimType(elem.attributeValue("trimType"));
        field.setValueExpression(elem.attributeValue("valueExpression"));
        field.setFormat(elem.attributeValue("format"));
        field.setCurrency(elem.attributeValue("currency"));

        /**
         * ???
         */
        if ("true".equals(elem.attributeValue("temporary"))) {
            field.setTemporary(true);
        }

        /**
         * 
         */
        if ("true".equals(elem.attributeValue("required"))) {
            field.setRequired(true);
        }

        String length = elem.attributeValue("length");
        if (StringUtils.isNumeric(length)) {
            field.setLength(Integer.parseInt(length));
        }

        String precision = elem.attributeValue("precision");
        if (StringUtils.isNumeric(precision)) {
            field.setPrecision(Integer.parseInt(precision));
        }

        String decimal = elem.attributeValue("decimal");
        if (StringUtils.isNumeric(decimal)) {
            field.setDecimal(Integer.parseInt(decimal));
        }

        String position = elem.attributeValue("position");
        if (StringUtils.isNumeric(position)) {
            field.setPosition(Integer.parseInt(position));
        }
    }
}