com.puppetlabs.geppetto.pp.dsl.ui.linking.PPUISearchPathProvider.java Source code

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Here is the source code for com.puppetlabs.geppetto.pp.dsl.ui.linking.PPUISearchPathProvider.java

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/**
 * Copyright (c) 2013 Puppet Labs, Inc. and other contributors, as listed below.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *   Puppet Labs
 */
package com.puppetlabs.geppetto.pp.dsl.ui.linking;

import com.puppetlabs.geppetto.pp.dsl.linking.PPSearchPath;
import com.puppetlabs.geppetto.pp.dsl.linking.PPSearchPathProvider;
import com.puppetlabs.geppetto.pp.dsl.ui.preferences.PPPreferenceConstants;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.xtext.resource.containers.IAllContainersState;
import org.eclipse.xtext.ui.editor.preferences.IPreferenceStoreAccess;

import com.google.inject.Inject;

/**
 * A Puppet SearchPathProvider based on preferences.
 * 
 */

public class PPUISearchPathProvider extends PPSearchPathProvider {
    @Inject
    IPreferenceStoreAccess preferenceStoreAccess;

    @Inject
    private IAllContainersState allContainers;

    @Inject
    private IWorkspace workspace;

    /*
     * (non-Javadoc)
     * 
     * @see com.puppetlabs.geppetto.pp.dsl.linking.PPSearchPathProvider#get(org.eclipse.emf.ecore.resource.Resource)
     */
    @Override
    public PPSearchPath get(Resource r) {
        String handle = allContainers.getContainerHandle(r.getURI());
        // get project
        IProject project = workspace.getRoot().getProject(handle);

        // get project specific preference and use them if they are enabled
        IPreferenceStore store = preferenceStoreAccess.getContextPreferenceStore(project);
        String pathString = store.getString(PPPreferenceConstants.PUPPET_PROJECT_PATH);
        String environment = store.getString(PPPreferenceConstants.PUPPET_ENVIRONMENT);

        // if no path at all specified, the PPSearchPath enforces a default of "*"
        PPSearchPath searchPath = PPSearchPath.fromString(pathString, null);
        // if environment is still empty
        if (environment != null)
            environment = environment.trim();
        if (environment == null || environment.length() == 0)
            environment = "production";

        // System.err.printf("Project %s uses env=%s and path=%s\n", project.getName(), environment, pathString);
        // return a resolved search path
        return searchPath.evaluate(environment);
    }
}