demo.server.FlowServiceImpl.java Source code

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Here is the source code for demo.server.FlowServiceImpl.java

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/*
 * Copyright (C) 2017 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 demo.server;

import java.io.IOException;
import java.io.InputStream;

import org.apache.commons.io.IOUtils;
import org.jboss.errai.bus.server.annotations.Service;

import demo.client.shared.builtin.FlowService;

@Service
public class FlowServiceImpl implements FlowService {

    @Override
    public String getMainFlow() {
        final InputStream flowFileStream = Thread.currentThread().getContextClassLoader()
                .getResourceAsStream("/Main.flow");
        if (flowFileStream == null) {
            return null;
        } else {
            try {
                return IOUtils.toString(flowFileStream, "UTF-8");
            } catch (final IOException e) {
                return null;
            } finally {
                IOUtils.closeQuietly(flowFileStream);
            }
        }
    }

}