msi.gama.lang.gaml.validation.GamlModelBuilder.java Source code

Introduction

Here is the source code for msi.gama.lang.gaml.validation.GamlModelBuilder.java

Source

/*********************************************************************************************
 *
 * 'GamlModelBuilder.java, in plugin msi.gama.lang.gaml, is part of the source code of the GAMA modeling and simulation
 * platform. (c) 2007-2016 UMI 209 UMMISCO IRD/UPMC & Partners
 *
 * Visit https://github.com/gama-platform/gama for license information and developers contact.
 * 
 *
 **********************************************************************************************/
package msi.gama.lang.gaml.validation;

import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Path;
import java.util.List;

import org.eclipse.emf.common.util.URI;
import org.eclipse.xtext.resource.SynchronizedXtextResourceSet;

import com.google.common.collect.Iterables;

import msi.gama.common.interfaces.IGamlIssue;
import msi.gama.kernel.model.IModel;
import msi.gama.lang.gaml.resource.GamlResource;
import msi.gaml.compilation.GamlCompilationError;
import msi.gaml.descriptions.ModelDescription;

/**
 * Class GamlResourceBuilder.
 *
 * @author drogoul
 * @since 8 avr. 2014
 *
 */
public class GamlModelBuilder {

    private static final SynchronizedXtextResourceSet buildResourceSet = new SynchronizedXtextResourceSet();

    public static IModel compile(final GamlResource uri, final List<GamlCompilationError> errors) {
        // We build the description and fill the errors list
        final ModelDescription model = buildModelDescription(uri, errors);
        // And compile it before returning it, unless it is null.
        return model == null ? null : (IModel) model.compile();
    }

    public static IModel compile(final java.net.URI uri, final List<GamlCompilationError> errors) {
        final URI resolvedURI = URI.createURI(uri.toString());
        return compile(resolvedURI, errors);
    }

    public static IModel compile(final URL url, final List<GamlCompilationError> errors) {
        try {
            final java.net.URI uri = new java.net.URI(url.getProtocol(), url.getPath(), null).normalize();
            final URI resolvedURI = URI.createURI(uri.toString());
            return compile(resolvedURI, errors);
        } catch (final URISyntaxException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static IModel compile(final URI uri, final List<GamlCompilationError> errors) {
        // We build the description and fill the errors list
        final ModelDescription model = buildModelDescription(uri, errors);
        // And compile it before returning it, unless it is null.
        return model == null ? null : (IModel) model.compile();
    }

    public static IModel compile(final Path path, final List<GamlCompilationError> errors) {
        return compile(URI.createFileURI(path.toString()), errors);
    }

    private static ModelDescription buildModelDescription(final URI uri, final List<GamlCompilationError> errors) {
        try {
            final GamlResource r = (GamlResource) buildResourceSet.getResource(uri, true);
            // Syntactic errors detected, we cannot build the resource
            if (r.hasErrors()) {
                if (errors != null)
                    errors.add(new GamlCompilationError("Syntax errors ", IGamlIssue.GENERAL,
                            r.getContents().get(0), false, false));
                return null;
            } else {
                // We build the description
                final ModelDescription model = r.buildCompleteDescription();
                if (model != null)
                    model.validate();
                if (errors != null)
                    Iterables.addAll(errors, r.getValidationContext());
                return model;
            }
        } finally {
            final boolean wasDeliver = buildResourceSet.eDeliver();
            try {
                buildResourceSet.eSetDeliver(false);
                buildResourceSet.getResources().clear();
            } finally {
                buildResourceSet.eSetDeliver(wasDeliver);
            }
        }
    }

    private static ModelDescription buildModelDescription(final GamlResource r,
            final List<GamlCompilationError> errors) {
        try {

            // Syntactic errors detected, we cannot build the resource
            if (r.hasErrors()) {
                if (errors != null)
                    errors.add(new GamlCompilationError("Syntax errors ", IGamlIssue.GENERAL,
                            r.getContents().get(0), false, false));
                return null;
            } else {
                // We build the description
                final ModelDescription model = r.buildCompleteDescription();
                if (errors != null)
                    Iterables.addAll(errors, r.getValidationContext());
                return model;
            }
        } finally {
        }
    }

}