TestPropertiesFileIndexer.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.kie.workbench.common.services.refactoring.backend.server;

import java.io.IOException;
import java.io.InputStream;
import java.util.HashSet;
import java.util.Properties;
import java.util.Set;

import javax.enterprise.context.ApplicationScoped;

import org.kie.workbench.common.services.refactoring.backend.server.util.KObjectUtil;
import org.kie.workbench.common.services.shared.project.KieProjectService;
import org.uberfire.backend.server.util.Paths;
import org.uberfire.commons.data.Pair;
import org.uberfire.ext.metadata.model.KObject;
import org.uberfire.ext.metadata.model.KObjectKey;
import org.uberfire.io.IOService;
import org.uberfire.java.nio.file.Path;

/**
 * Test indexer that simply loads Properties from the file
 */
@ApplicationScoped
public class TestPropertiesFileIndexer implements TestIndexer<TestPropertiesFileTypeDefinition> {

    private IOService ioService;

    private KieProjectService projectService;

    private TestPropertiesFileTypeDefinition type;

    @Override
    public void setIOService( final IOService ioService ) {
        this.ioService = ioService;
    }

    @Override
    public void setProjectService( final KieProjectService projectService ) {
        this.projectService = projectService;
    }

    @Override
    public void setResourceTypeDefinition( final TestPropertiesFileTypeDefinition type ) {
        this.type = type;
    }

    @Override
    public boolean supportsPath( final Path path ) {
        return type.accept( Paths.convert( path ) );
    }

    @Override
    public KObject toKObject( final Path path ) {
        InputStream is = null;
        final Properties properties = new Properties();
        try {
            is = ioService.newInputStream( path );
            properties.load( is );
            is.close();

        } catch ( IOException e ) {
            //Swallow
        }
        final Set<Pair<String, String>> indexElements = new HashSet<Pair<String, String>>();
        for ( String propertyName : properties.stringPropertyNames() ) {
            indexElements.add( new Pair<String, String>( propertyName,
                                                         properties.getProperty( propertyName ) ) );
        }
        return KObjectUtil.toKObject( path,
                                      indexElements );
    }

    @Override
    public KObjectKey toKObjectKey( final Path path ) {
        return KObjectUtil.toKObjectKey( path );
    }

}