Coverage Report

 /**
  * Copyright (c) 2012-2015, jcabi.com
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met: 1) Redistributions of source code must retain the above
  * copyright notice, this list of conditions and the following
  * disclaimer. 2) Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following
  * disclaimer in the documentation and/or other materials provided
  * with the distribution. 3) Neither the name of the jcabi.com nor
  * the names of its contributors may be used to endorse or promote
  * products derived from this software without specific prior written
  * permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 package com.jcabi.s3;
 
 import com.amazonaws.AmazonServiceException;
 import com.amazonaws.services.s3.AmazonS3;
 import com.amazonaws.services.s3.model.DeleteObjectRequest;
 import com.jcabi.aspects.Immutable;
 import com.jcabi.aspects.Loggable;
 import com.jcabi.log.Logger;
 import java.io.IOException;
 import java.util.Iterator;
 import lombok.EqualsAndHashCode;
 
 /**
  * Amazon S3 bucket.
  *
  * @author Yegor Bugayenko (yegor@tpc2.com)
  * @version $Id: 350807e1a07a734df18410a409174af52cbcfd15 $
  * @since 0.1
  */
 @Immutable
 @EqualsAndHashCode(of = { "regn", "bkt" })
 @Loggable(Loggable.DEBUG)
 @SuppressWarnings("PMD.TooManyMethods")
 final class AwsBucket implements Bucket {
 
     /**
      * Region we're in.
      */
     private final transient Region regn;
 
     /**
      * Bucket name.
      */
     private final transient String bkt;
 
     /**
      * Public ctor.
      * @param reg Region we're in
      * @param name Bucket name
      */
     AwsBucket(final Region reg, final String name) {
         this.regn = reg;
         this.bkt = name;
     }
 
     @Override
     public String toString() {
         return this.bkt;
     }
 
     @Override
     public Region region() {
         return this.regn;
     }
 
     @Override
     public String name() {
         return this.bkt;
     }
 
     @Override
     public Ocket ocket(final String key) {
         return new AwsOcket(this, key);
     }
 
     @Override
     public boolean exists() throws IOException {
         final AmazonS3 aws = this.regn.aws();
         final boolean result;
         try {
             result = aws.doesBucketExist(this.bkt);
         } catch (final AmazonServiceException ex) {
             throw new IOException(
                 String.format(
                     "failed to check existence of '%s' bucket",
                     this.bkt
                 ),
                 ex
             );
         }
         Logger.debug(this, "Does bucket '%s' exist? %b", this.bkt, result);
         return result;
     }
 
     @Override
     public void remove(final String key) throws IOException {
         try {
             final AmazonS3 aws = this.regn.aws();
             final long start = System.currentTimeMillis();
             aws.deleteObject(new DeleteObjectRequest(this.bkt, key));
             Logger.info(
                 this,
                 "ocket '%s' removed in bucket '%s' in %[ms]s",
                 key, this.bkt, System.currentTimeMillis() - start
             );
         } catch (final AmazonServiceException ex) {
             throw new IOException(
                 String.format(
                     "failed to remove '%s' bucket",
                     this.bkt
                 ),
                 ex
             );
         }
     }
 
     @Override
     public Iterable<String> list(final String pfx) {
         return new Iterable<String>() {
             @Override
             public Iterator<String> iterator() {
                 return new AwsListIterator(
                     AwsBucket.this.regn, AwsBucket.this.bkt, pfx
                 );
             }
         };
     }
 
     @Override
     public int compareTo(final Bucket bucket) {
         return this.name().compareTo(bucket.name());
     }
 
 }
 

1	2	/**
2		* Copyright (c) 2012-2015, jcabi.com
3		* All rights reserved.
4		*
5		* Redistribution and use in source and binary forms, with or without
6		* modification, are permitted provided that the following conditions
7		* are met: 1) Redistributions of source code must retain the above
8		* copyright notice, this list of conditions and the following
9		* disclaimer. 2) Redistributions in binary form must reproduce the above
10		* copyright notice, this list of conditions and the following
11		* disclaimer in the documentation and/or other materials provided
12		* with the distribution. 3) Neither the name of the jcabi.com nor
13		* the names of its contributors may be used to endorse or promote
14		* products derived from this software without specific prior written
15		* permission.
16		*
17		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18		* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
19		* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20		* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21		* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
22		* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23		* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24		* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26		* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27		* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28		* OF THE POSSIBILITY OF SUCH DAMAGE.
29		*/
30		package com.jcabi.s3;
31
32		import com.amazonaws.AmazonServiceException;
33		import com.amazonaws.services.s3.AmazonS3;
34		import com.amazonaws.services.s3.model.DeleteObjectRequest;
35		import com.jcabi.aspects.Immutable;
36		import com.jcabi.aspects.Loggable;
37		import com.jcabi.log.Logger;
38		import java.io.IOException;
39		import java.util.Iterator;
40		import lombok.EqualsAndHashCode;
41
42		/**
43		* Amazon S3 bucket.
44		*
45		* @author Yegor Bugayenko (yegor@tpc2.com)
46		* @version $Id: 350807e1a07a734df18410a409174af52cbcfd15 $
47		* @since 0.1
48		*/
49	0	@Immutable
50	0	@EqualsAndHashCode(of = { "regn", "bkt" })
51		@Loggable(Loggable.DEBUG)
52		@SuppressWarnings("PMD.TooManyMethods")
53	2	final class AwsBucket implements Bucket {
54
55		/**
56		* Region we're in.
57		*/
58		private final transient Region regn;
59
60		/**
61		* Bucket name.
62		*/
63		private final transient String bkt;
64
65		/**
66		* Public ctor.
67		* @param reg Region we're in
68		* @param name Bucket name
69		*/
70	5	AwsBucket(final Region reg, final String name) {
71	5	this.regn = reg;
72	5	this.bkt = name;
73	5	}
74
75		@Override
76		public String toString() {
77	0	return this.bkt;
78		}
79
80		@Override
81		public Region region() {
82	0	return this.regn;
83		}
84
85		@Override
86		public String name() {
87	0	return this.bkt;
88		}
89
90		@Override
91		public Ocket ocket(final String key) {
92	2	return new AwsOcket(this, key);
93		}
94
95		@Override
96		public boolean exists() throws IOException {
97	6	final AmazonS3 aws = this.regn.aws();
98		final boolean result;
99		try {
100	3	result = aws.doesBucketExist(this.bkt);
101	1	} catch (final AmazonServiceException ex) {
102	1	throw new IOException(
103		String.format(
104		"failed to check existence of '%s' bucket",
105		this.bkt
106		),
107		ex
108		);
109	2	}
110	2	Logger.debug(this, "Does bucket '%s' exist? %b", this.bkt, result);
111	2	return result;
112		}
113
114		@Override
115		public void remove(final String key) throws IOException {
116		try {
117	0	final AmazonS3 aws = this.regn.aws();
118	0	final long start = System.currentTimeMillis();
119	0	aws.deleteObject(new DeleteObjectRequest(this.bkt, key));
120	0	Logger.info(
121		this,
122		"ocket '%s' removed in bucket '%s' in %[ms]s",
123		key, this.bkt, System.currentTimeMillis() - start
124		);
125	0	} catch (final AmazonServiceException ex) {
126	0	throw new IOException(
127		String.format(
128		"failed to remove '%s' bucket",
129		this.bkt
130		),
131		ex
132		);
133	0	}
134	0	}
135
136		@Override
137		public Iterable<String> list(final String pfx) {
138	2	return new Iterable<String>() {
139		@Override
140		public Iterator<String> iterator() {
141	1	return new AwsListIterator(
142		AwsBucket.this.regn, AwsBucket.this.bkt, pfx
143		);
144		}
145		};
146		}
147
148		@Override
149		public int compareTo(final Bucket bucket) {
150	0	return this.name().compareTo(bucket.name());
151		}
152
153		}
154