Commit 5ff5b8f6 authored by Martti Käärik's avatar Martti Käärik
Browse files

Helper methods for resolving TDL packages (within project)

parent c7270c09

plugins/org.etsi.mts.tdl.helper/META-INF/MANIFEST.MF

+2 −1
Original line number Diff line number Diff line
@@ -20,5 +20,6 @@ Require-Bundle: org.eclipse.xtext, 
 org.eclipse.emf.ecore,

 org.eclipse.core.runtime,

 org.eclipse.emf.mwe.utils,

 org.eclipse.ocl.xtext.completeocl

 org.eclipse.ocl.xtext.completeocl,

 org.eclipse.core.resources

Export-Package: org.etsi.mts.tdl.helper

plugins/org.etsi.mts.tdl.helper/src/org/etsi/mts/tdl/helper/TDLHelper.java

+90 −0
Original line number Diff line number Diff line
@@ -3,11 +3,20 @@ package org.etsi.mts.tdl.helper; 




import java.io.IOException;

import java.net.URISyntaxException;

import java.util.Collections;

import java.util.HashSet;

import java.util.Set;



import org.apache.log4j.Level;

import org.apache.log4j.Logger;

import org.eclipse.core.resources.IFile;

import org.eclipse.core.resources.IProject;

import org.eclipse.core.resources.IResource;

import org.eclipse.core.resources.IResourceVisitor;

import org.eclipse.core.resources.IWorkspaceRoot;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.core.runtime.Path;

import org.eclipse.core.runtime.Platform;

import org.eclipse.emf.common.util.URI;

import org.eclipse.emf.ecore.EOperation;
@@ -27,6 +36,7 @@ import org.eclipse.xtext.IGrammarAccess; 
import org.eclipse.xtext.resource.IResourceServiceProvider;

import org.eclipse.xtext.resource.XtextResourceSet;

import org.eclipse.xtext.serializer.impl.Serializer;

import org.etsi.mts.tdl.Package;

import org.etsi.mts.tdl.TDLan2StandaloneSetup;

import org.etsi.mts.tdl.TDLtxStandaloneSetup;

import org.etsi.mts.tdl.TDLtxiStandaloneSetup;
@@ -179,6 +189,86 @@ public class TDLHelper { 
		return Collections.EMPTY_SET;

	}



	private static final String TDL_MODEL_NAME = "tdl";

	private static final String HTTP_MODEL_NAME = "http";

	private static final String[] MODEL_FILE_EXTENSIONS = new String[] {

			"tdl", "tdlan2", "tdltx", "tdltxi"

	};

	

	private static IProject getProjectForResource(Resource resource) {

		IWorkspaceRoot ws = org.eclipse.core.resources.ResourcesPlugin.getWorkspace().getRoot();

		URI resourceUri = resource.getURI();

		IFile modelFile = null;

		if (resourceUri.isPlatformResource()) {

			modelFile = ws.getFile(new Path(resourceUri.toPlatformString(true)));

		} else if (resourceUri.isFile()) {

			// TODO

//			String uriString = resourceUri.toFileString();

//			java.net.URI uri = new java.net.URI(uriString);

//			IFile[] files = ws.findFilesForLocationURI(uri);

		}

		if (modelFile != null)

			return modelFile.getProject();

		return null;

	}

	

	abstract static class FileFinder implements IResourceVisitor {

		

		public IFile file;



		@Override

		public boolean visit(IResource resource) throws CoreException {

			if (file != null)

				return false;

			if (resource.getType() != IResource.FILE)

				return true;

			if (mathces((IFile) resource)) {

				this.file = (IFile) resource;

			}

			return file == null;

		}

		

		abstract protected boolean mathces(IFile file);

	}

	

	public static Package getTdlPackage(Resource resource) {

		return getKnownPackage(resource, TDL_MODEL_NAME);

	}

	

	public static Package getHttpPackage(Resource resource) {

		return getKnownPackage(resource, HTTP_MODEL_NAME);

	}

	

	private static Package getKnownPackage(Resource resource, String packageName) {

		try {

			IProject prj = getProjectForResource(resource);

			if (prj != null) {

				final Set<String> names = new HashSet<>();

				for (String ext : MODEL_FILE_EXTENSIONS) {

					names.add(packageName + "." + ext);

				}

				FileFinder finder = new FileFinder() {

					@Override

					protected boolean mathces(IFile file) {

						return names.contains(file.getName().toLowerCase());

					}

				};

				prj.accept(finder);

				

				if (finder.file != null) {

					URI uri = URI.createPlatformResourceURI(finder.file.getFullPath().toString(), true);

					Resource tdlResource = resource.getResourceSet().getResource(uri, true);

					return (Package) tdlResource.getContents().get(0);

				}

			}

		} catch (CoreException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

			throw new RuntimeException(e);

		}

		return null;

	}



	/**

	 * Reset the shared resourceSet.

	 */