Package org.apache.camel.component.apns.util

Source Code of org.apache.camel.component.apns.util.ResourceUtils

/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.component.apns.util;

import java.io.Closeable;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

import com.notnoop.exceptions.RuntimeIOException;

import org.apache.camel.util.IOHelper;

public final class ResourceUtils {

    private static final String CLASSPATH_PREFIX = "classpath:";

    private ResourceUtils() {
    }

    public static boolean isClasspathResource(String path) {
        return path.startsWith(CLASSPATH_PREFIX);
    }

    public static String getClasspathResourcePath(String path) {
        return path.substring(CLASSPATH_PREFIX.length());
    }

    public static InputStream getInputStream(String path) {

        InputStream is = null;

        if (isClasspathResource(path)) {
            String classpathResourcePath = ResourceUtils.getClasspathResourcePath(path);
            is = ResourceUtils.class.getResourceAsStream(classpathResourcePath);
            if (is == null) {
                throw new RuntimeIOException("Certificate stream is null: '" + classpathResourcePath + "'");
            }
        } else {
            try {
                is = IOHelper.buffered(new FileInputStream(path));
            } catch (FileNotFoundException e) {
                throw new RuntimeIOException(e);
            }
        }

        return is;
    }

    public static void close(Closeable closeable) {
        if (closeable != null) {
            try {
                closeable.close();
            } catch (IOException e) { /* Nothing to do */
            }
        }
    }

}
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