com.cognifide.qa.bb.module.PropertiesLoaderModule.java Source code

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Here is the source code for com.cognifide.qa.bb.module.PropertiesLoaderModule.java

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/*-
 * #%L
 * Bobcat
 * %%
 * Copyright (C) 2016 Cognifide Ltd.
 * %%
 * 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.
 * #L%
 */
package com.cognifide.qa.bb.module;

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

import com.google.common.base.Preconditions;
import com.google.common.base.Throwables;
import com.google.common.io.Resources;
import com.google.inject.AbstractModule;
import com.google.inject.name.Names;

public class PropertiesLoaderModule extends AbstractModule {

    private final String[] propertiesFileNames;

    public PropertiesLoaderModule(String... propertiesFileNames) {
        Preconditions.checkNotNull(propertiesFileNames);
        this.propertiesFileNames = propertiesFileNames;
    }

    @Override
    protected void configure() {
        try {
            Names.bindProperties(binder(), getProperties());
        } catch (IOException e) {
            Throwables.propagate(e);
        }
    }

    private Properties getProperties() throws IOException {
        Properties properties = new Properties();
        for (String propertiesFileName : propertiesFileNames) {
            try (InputStream inputStream = Resources.getResource(propertiesFileName).openStream()) {
                properties.load(inputStream);
            }
        }
        return properties;
    }
}