openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/core/SslKeyStore.java

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowjava.protocol.impl.core;
  10
  11 import java.io.File;
  12 import java.io.FileInputStream;
  13 import java.io.FileNotFoundException;
  14 import java.io.InputStream;
  15
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.config.rev140630.PathType;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 /**
  21  * Class for storing keys
  22  *
  23  * @author michal.polkorab
  24  */
  25 public final class SslKeyStore {
  26
  27     private static final Logger LOGGER = LoggerFactory.getLogger(SslKeyStore.class);
  28
  29     /**
  30      * InputStream instance of key - key location is on classpath
  31      * @param filename keystore location
  32      * @param pathType keystore location type - "classpath" or "path"
  33      *
  34      * @return key as InputStream
  35      */
  36     public static InputStream asInputStream(String filename, PathType pathType) {
  37         InputStream in;
  38         switch (pathType) {
  39         case CLASSPATH:
  40             in = SslKeyStore.class.getResourceAsStream(filename);
  41             if (in == null) {
  42                 throw new IllegalStateException("KeyStore file not found: "
  43                         + filename);
  44             }
  45             break;
  46         case PATH:
  47             LOGGER.debug("Current dir using System:"
  48                     + System.getProperty("user.dir"));
  49             File keystorefile = new File(filename);
  50             try {
  51                 in = new FileInputStream(keystorefile);
  52             } catch (FileNotFoundException e) {
  53                 throw new IllegalStateException("KeyStore file not found: "
  54                         + filename);
  55             }
  56             break;
  57         default:
  58             throw new IllegalArgumentException("Unknown path type: " + pathType);
  59         }
  60         return in;
  61     }
  62 }