root/org.axdt.axdoc.model/src/org/axdt/axdoc/model/util/AXUtil.java @ 2aa064d78a2c1162da70e2413b7c386278a1473d

package org.axdt.axdoc.model.util;

import java.io.ByteArrayInputStream;
import java.io.IOException;

import org.axdt.axdoc.model.AXDocFactory;
import org.axdt.axdoc.model.AXRoot;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;

public class AXUtil {
        private static AXDocXMLProcessor xmlProcessor = new AXDocXMLProcessor();
        private static AXDocFactory factory = AXDocFactory.eINSTANCE;
        public static Resource createResource(String path) {
                return xmlProcessor.createResourceSet().createResource(URI.createURI(path));
        }
        public static Resource getOrCreateResource(ResourceSet set, EObject node, String path) {
                Resource resource = node.eResource();
                if (resource == null) {
                        if (set == null)
                                set = xmlProcessor.createResourceSet();
                        resource = set.createResource(URI.createURI(path));
                        resource.getContents().add(node);
                } else if (path != null) {
                        resource.setURI(URI.createURI(path));
                }
                return resource;
        }
        public static String writeToString(EObject node) throws IOException {
                ResourceSet set = (node.eResource() != null) ? node.eResource().getResourceSet() : null; 
                return writeToString(getOrCreateResource(set, node, null));
        }
        public static String writeToString(Resource resource) throws IOException {
                if (resource.getContents().isEmpty())
                        return null;
                return xmlProcessor.saveToString(resource, null);
        }
        public static Resource readFromString(String text, String path) throws IOException {
                Resource resource = createResource(path);
                ByteArrayInputStream inputStream = new ByteArrayInputStream(text.getBytes());
                resource.load(inputStream, null);
                return resource;
        }
        public static AXRoot createRoot(String url, String basePath) {
                return createRoot(null, url, basePath);
        }
        public static AXRoot createRoot(String name, String url, String resourceUrl) {
                AXRoot root = factory.createAXRoot();
                root.setName(name);
                root.setUrl(url);
                ResourceSet set = xmlProcessor.createResourceSet();
                getOrCreateResource(set, root, resourceUrl);
                return root;
        }
}