#127

Committed 24 Sep 2023 12:47AM CUT coverage: 59.788%. Remained the same

Build # #127

Build Type

Pull #108

github

Committed by

web-flow

Commit Message

Update dependency org.mybatis:mybatis-parent to v39

Pull Request Pull Request #108: Update dependency org.mybatis:mybatis-parent to v39

Run Details

226 of 378 relevant lines covered (59.79%)

0.6 hits per line

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0.0

/src/main/java/org/mybatis/caches/memcached/CompressorTranscoder.java

/*
 *    Copyright 2012-2022 the original author or authors.
 *
 *    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
 *
 *       https://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.mybatis.caches.memcached;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;

import net.spy.memcached.CachedData;
import net.spy.memcached.transcoders.Transcoder;

import org.apache.ibatis.cache.CacheException;

/**
 * The Transcoder that compress and decompress the stored objects using the GZIP compression algorithm.
 *
 * @author Simone Tripodi
 */
final class CompressorTranscoder implements Transcoder<Object> {

  /**
   * The serialized and compressed flag.
   */
  private static final int SERIALIZED_COMPRESSED = 3;

  /**
   * {@inheritDoc}
   */
  @Override
  public boolean asyncDecode(final CachedData cachedData) {
    return false;
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public Object decode(final CachedData cachedData) {
    byte[] buffer = cachedData.getData();

    ByteArrayInputStream bais = new ByteArrayInputStream(buffer);
    GZIPInputStream gzis = null;
    ObjectInputStream ois = null;
    Object ret = null;

    try {
      gzis = new GZIPInputStream(bais);
      ois = new ObjectInputStream(gzis);
      ret = ois.readObject();
    } catch (Exception e) {
      throw new CacheException("Impossible to decompress cached object, see nested exceptions", e);
    } finally {
      closeQuietly(ois);
      closeQuietly(gzis);
      closeQuietly(bais);
    }
    return ret;
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public CachedData encode(final Object object) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream gzops = null;
    ObjectOutputStream oos = null;

    try {
      gzops = new GZIPOutputStream(baos);
      oos = new ObjectOutputStream(gzops);
      oos.writeObject(object);
    } catch (IOException e) {
      throw new CacheException("Impossible to compress object [" + object + "], see nested exceptions", e);
    } finally {
      closeQuietly(oos);
      closeQuietly(gzops);
      closeQuietly(baos);
    }

    byte[] buffer = baos.toByteArray();
    return new CachedData(SERIALIZED_COMPRESSED, buffer, CachedData.MAX_SIZE);
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public int getMaxSize() {
    return Integer.MAX_VALUE;
  }

  /**
   * Unconditionally close an {@link InputStream}.
   *
   * @param closeable
   *          the InputStream to close, may be null or already closed.
   */
  private static void closeQuietly(final Closeable closeable) {
    if (closeable != null) {
      try {
        closeable.close();
      } catch (IOException e) {
        // do nothing
      }
    }
  }

}

1	/*
2	* Copyright 2012-2022 the original author or authors.
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* https://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package org.mybatis.caches.memcached;
17
18	import java.io.ByteArrayInputStream;
19	import java.io.ByteArrayOutputStream;
20	import java.io.Closeable;
21	import java.io.IOException;
22	import java.io.InputStream;
23	import java.io.ObjectInputStream;
24	import java.io.ObjectOutputStream;
25	import java.util.zip.GZIPInputStream;
26	import java.util.zip.GZIPOutputStream;
27
28	import net.spy.memcached.CachedData;
29	import net.spy.memcached.transcoders.Transcoder;
30
31	import org.apache.ibatis.cache.CacheException;
32
33	/**
34	* The Transcoder that compress and decompress the stored objects using the GZIP compression algorithm.
35	*
36	* @author Simone Tripodi
37	*/
38	final class CompressorTranscoder implements Transcoder<Object> {	×
39
40	/**
41	* The serialized and compressed flag.
42	*/
43	private static final int SERIALIZED_COMPRESSED = 3;
44
45	/**
46	* {@inheritDoc}
47	*/
48	@Override
49	public boolean asyncDecode(final CachedData cachedData) {
50	return false;	×
51	}
52
53	/**
54	* {@inheritDoc}
55	*/
56	@Override
57	public Object decode(final CachedData cachedData) {
58	byte[] buffer = cachedData.getData();	×
59
60	ByteArrayInputStream bais = new ByteArrayInputStream(buffer);	×
61	GZIPInputStream gzis = null;	×
62	ObjectInputStream ois = null;	×
63	Object ret = null;	×
64
65	try {
66	gzis = new GZIPInputStream(bais);	×
67	ois = new ObjectInputStream(gzis);	×
68	ret = ois.readObject();	×
69	} catch (Exception e) {	×
70	throw new CacheException("Impossible to decompress cached object, see nested exceptions", e);	×
71	} finally {
72	closeQuietly(ois);	×
73	closeQuietly(gzis);	×
74	closeQuietly(bais);	×
75	}
76	return ret;	×
77	}
78
79	/**
80	* {@inheritDoc}
81	*/
82	@Override
83	public CachedData encode(final Object object) {
84	ByteArrayOutputStream baos = new ByteArrayOutputStream();	×
85	GZIPOutputStream gzops = null;	×
86	ObjectOutputStream oos = null;	×
87
88	try {
89	gzops = new GZIPOutputStream(baos);	×
90	oos = new ObjectOutputStream(gzops);	×
91	oos.writeObject(object);	×
92	} catch (IOException e) {	×
93	throw new CacheException("Impossible to compress object [" + object + "], see nested exceptions", e);	×
94	} finally {
95	closeQuietly(oos);	×
96	closeQuietly(gzops);	×
97	closeQuietly(baos);	×
98	}
99
100	byte[] buffer = baos.toByteArray();	×
101	return new CachedData(SERIALIZED_COMPRESSED, buffer, CachedData.MAX_SIZE);	×
102	}
103
104	/**
105	* {@inheritDoc}
106	*/
107	@Override
108	public int getMaxSize() {
109	return Integer.MAX_VALUE;	×
110	}
111
112	/**
113	* Unconditionally close an {@link InputStream}.
114	*
115	* @param closeable
116	* the InputStream to close, may be null or already closed.
117	*/
118	private static void closeQuietly(final Closeable closeable) {
119	if (closeable != null) {	×
120	try {
121	closeable.close();	×
122	} catch (IOException e) {	×
123	// do nothing
124	}	×
125	}
126	}	×
127
128	}

mybatis / memcached-cache / #127

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