openflowjava/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 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.config.rev140630.PathType;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 /**
  20  * Class for storing keys.
  21  *
  22  * @author michal.polkorab
  23  */
  24 public final class SslKeyStore {
  25
  26     private static final Logger LOG = LoggerFactory.getLogger(SslKeyStore.class);
  27
  28     private SslKeyStore() {
  29     }
  30
  31     /**
  32      * InputStream instance of key - key location is on classpath.
  33      *
  34      * @param filename keystore location
  35      * @param pathType keystore location type - "classpath" or "path"
  36      *
  37      * @return key as InputStream
  38      */
  39     public static InputStream asInputStream(String filename, PathType pathType) {
  40         InputStream in;
  41         switch (pathType) {
  42             case CLASSPATH:
  43                 in = SslKeyStore.class.getResourceAsStream(filename);
  44                 if (in == null) {
  45                     throw new IllegalStateException("KeyStore file not found: "
  46                             + filename);
  47                 }
  48                 break;
  49             case PATH:
  50                 LOG.debug("Current dir using System: {}",
  51                         System.getProperty("user.dir"));
  52                 File keystorefile = new File(filename);
  53                 try {
  54                     in = new FileInputStream(keystorefile);
  55                 } catch (FileNotFoundException e) {
  56                     throw new IllegalStateException("KeyStore file not found: "
  57                             + filename,e);
  58                 }
  59                 break;
  60             default:
  61                 throw new IllegalArgumentException("Unknown path type: " + pathType);
  62         }
  63         return in;
  64     }
  65 }