us.wthr.jdem846.project.XmlProjectFileReader.java Source code

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Here is the source code for us.wthr.jdem846.project.XmlProjectFileReader.java

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/*
 * Copyright (C) 2011 Kevin M. Gill
 *
 * 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 us.wthr.jdem846.project;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Node;
import org.dom4j.io.SAXReader;

import us.wthr.jdem846.exception.ProjectParseException;
import us.wthr.jdem846.logging.Log;
import us.wthr.jdem846.logging.Logging;
import us.wthr.jdem846.shapefile.ShapeFileReference;
import us.wthr.jdem846.shapefile.exception.ShapeFileException;

@Deprecated
public class XmlProjectFileReader {
    private static Log log = Logging.getLog(XmlProjectFileReader.class);

    protected XmlProjectFileReader() {

    }

    public static boolean fileExists(String path) throws FileNotFoundException {
        File f = new File(path);
        if (!f.exists()) {
            throw new FileNotFoundException(path);
        }
        return true;
    }

    public static Document loadProject(String path) throws DocumentException {
        File file = new File(path);
        SAXReader reader = new SAXReader();
        Document document = reader.read(file);
        return document;
    }

    @SuppressWarnings("rawtypes")
    public static ProjectModel parseProject(Document doc) throws ProjectParseException {
        ProjectModel projectModel = new ProjectModel();

        Node projectTypeNode = doc.selectSingleNode("//jdem846/project/type");
        if (projectTypeNode != null) {
            ProjectTypeEnum projectType = ProjectTypeEnum.getProjectTypeFromIdentifier(projectTypeNode.getText());
            projectModel.setProjectType(projectType);
        }

        List optionsList = doc.selectNodes("//jdem846/project/options/option");
        for (Iterator iter = optionsList.iterator(); iter.hasNext();) {
            Node inputNode = (Node) iter.next();
            Node keyAttribute = inputNode.selectSingleNode("@key");
            log.info("Key: " + keyAttribute.getText() + ", value: " + inputNode.getText());

            String key = keyAttribute.getText();
            String value = inputNode.getText();

            if (key != null && value != null) {
                projectModel.setOption(key, value);
            } else if (key == null) {
                log.warn("Option has no key!");
            }
            //projectModel.getInputFiles().add(inputNode.getText());
        }

        List elevationList = doc.selectNodes("//jdem846/project/input-files/input");
        for (Iterator iter = elevationList.iterator(); iter.hasNext();) {
            Node inputNode = (Node) iter.next();
            projectModel.getInputFiles().add(inputNode.getText());
        }

        Node scriptLanguageNode = doc.selectSingleNode("//jdem846/project/scripting/language");
        Node scriptContentNode = doc.selectSingleNode("//jdem846/project/scripting/script");

        if (scriptLanguageNode != null) {
            projectModel.setScriptLanguage(scriptLanguageNode.getText());
        }

        if (scriptContentNode != null) {
            projectModel.setUserScript(scriptContentNode.getText());
        }

        List shapeList = doc.selectNodes("//jdem846/project/input-files/shapefile");
        for (Iterator iter = shapeList.iterator(); iter.hasNext();) {
            Node shapeNode = (Node) iter.next();

            Node pathNode = (Node) shapeNode.selectSingleNode("path");
            Node shapeDataDefinitionIdNode = (Node) shapeNode.selectSingleNode("data-definition-id");

            String path = pathNode.getText();
            String shapeDataDefinitionId = null;
            if (shapeDataDefinitionIdNode != null) {
                shapeDataDefinitionId = shapeDataDefinitionIdNode.getText();
            }

            try {
                projectModel.getShapeFiles().add(new ShapeFileReference(path, shapeDataDefinitionId, false));
            } catch (ShapeFileException ex) {
                throw new ProjectParseException("Failed to load shapefile data when parsing project file", ex);
            }

        }

        return projectModel;
    }

    public static ProjectModel readProject(String path)
            throws IOException, FileNotFoundException, ProjectParseException {
        log.info("Opening project file: " + path);

        XmlProjectFileReader.fileExists(path);

        Document doc = null;
        try {
            doc = XmlProjectFileReader.loadProject(path);
        } catch (DocumentException ex) {
            throw new ProjectParseException("Failed to load project from " + path, ex);
        }

        ProjectModel projectModel = XmlProjectFileReader.parseProject(doc);

        projectModel.setLoadedFrom(path);

        return projectModel;
    }

}