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Code Issues Releases Wiki Activity

Introduce CloseableUtil

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This commit is contained in:
Florian Schmaus 2018-08-15 17:25:22 +02:00
parent 1136e8a2e9
commit a00aa726fe
19 changed files with 109 additions and 256 deletions
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19
smack-core/src/main/java/org/jivesoftware/smack/SmackInitialization.java
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@ -18,7 +18,6 @@
package org.jivesoftware.smack;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Collection;
@ -37,6 +36,7 @@ import org.jivesoftware.smack.sasl.core.SASLAnonymous;
import org.jivesoftware.smack.sasl.core.SASLXOauth2Mechanism;
import org.jivesoftware.smack.sasl.core.SCRAMSHA1Mechanism;
import org.jivesoftware.smack.sasl.core.ScramSha1PlusMechanism;
import org.jivesoftware.smack.util.CloseableUtil;
import org.jivesoftware.smack.util.FileUtils;
import org.jivesoftware.smack.util.StringUtils;
@ -61,17 +61,15 @@ public final class SmackInitialization {
*/
static {
String smackVersion;
BufferedReader reader = null;
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(FileUtils.getStreamForClasspathFile("org.jivesoftware.smack/version", null), StringUtils.UTF8));
reader = new BufferedReader(new InputStreamReader(FileUtils.getStreamForClasspathFile("org.jivesoftware.smack/version", null), StringUtils.UTF8));
smackVersion = reader.readLine();
try {
reader.close();
} catch (IOException e) {
LOGGER.log(Level.WARNING, "IOException closing stream", e);
}
} catch (Exception e) {
LOGGER.log(Level.SEVERE, "Could not determine Smack version", e);
smackVersion = "unknown";
} finally {
CloseableUtil.maybeClose(reader, LOGGER);
}
SMACK_VERSION = smackVersion;
@ -146,12 +144,7 @@ public final class SmackInitialization {
eventType = parser.next();
}
while (eventType != XmlPullParser.END_DOCUMENT);
try {
cfgFileStream.close();
}
catch (IOException e) {
LOGGER.log(Level.SEVERE, "Error while closing config file input stream", e);
}
CloseableUtil.maybeClose(cfgFileStream, LOGGER);
}
private static void parseClassesToLoad(XmlPullParser parser, boolean optional,

12
smack-core/src/main/java/org/jivesoftware/smack/initializer/UrlInitializer.java
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@ -16,7 +16,6 @@
*/
package org.jivesoftware.smack.initializer;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.util.LinkedList;
@ -27,6 +26,7 @@ import java.util.logging.Logger;
import org.jivesoftware.smack.SmackInitialization;
import org.jivesoftware.smack.provider.ProviderFileLoader;
import org.jivesoftware.smack.provider.ProviderManager;
import org.jivesoftware.smack.util.CloseableUtil;
import org.jivesoftware.smack.util.FileUtils;
/**
@ -86,14 +86,6 @@ public abstract class UrlInitializer implements SmackInitializer {
}
private static void maybeClose(InputStream is) {
if (is == null) {
return;
}
try {
is.close();
}
catch (IOException e) {
LOGGER.log(Level.WARNING, "Could not close input stream", e);
}
CloseableUtil.maybeClose(is, LOGGER);
}
}

8
smack-core/src/main/java/org/jivesoftware/smack/provider/ProviderFileLoader.java
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@ -26,6 +26,7 @@ import java.util.logging.Logger;
import org.jivesoftware.smack.packet.ExtensionElement;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.util.CloseableUtil;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserFactory;
@ -141,12 +142,7 @@ public class ProviderFileLoader implements ProviderLoader {
exceptions.add(e);
}
finally {
try {
providerStream.close();
}
catch (Exception e) {
LOGGER.log(Level.WARNING, "Exception closing provider stream", e);
}
CloseableUtil.maybeClose(providerStream, LOGGER);
}
}

22
smack-core/src/main/java/org/jivesoftware/smack/proxy/Socks5ProxySocketConnection.java
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@ -21,7 +21,9 @@ import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.util.logging.Logger;
import org.jivesoftware.smack.util.CloseableUtil;
import org.jivesoftware.smack.util.StringUtils;
/**
@ -30,6 +32,8 @@ import org.jivesoftware.smack.util.StringUtils;
* @author Atul Aggarwal
*/
public class Socks5ProxySocketConnection implements ProxySocketConnection {
private static final Logger LOGGER = Logger.getLogger(Socks5ProxySocketConnection.class.getName());
private final ProxyInfo proxy;
Socks5ProxySocketConnection(ProxyInfo proxy) {
@ -164,11 +168,7 @@ public class Socks5ProxySocketConnection implements ProxySocketConnection {
}
if (!check) {
try {
socket.close();
}
catch (Exception eee) {
}
CloseableUtil.maybeClose(socket, LOGGER);
throw new ProxyException(ProxyInfo.ProxyType.SOCKS5,
"fail in SOCKS5 proxy");
}
@ -253,11 +253,7 @@ public class Socks5ProxySocketConnection implements ProxySocketConnection {
fill(in, buf, 4);
if (buf[1] != 0) {
try {
socket.close();
}
catch (Exception eee) {
}
CloseableUtil.maybeClose(socket, LOGGER);
throw new ProxyException(ProxyInfo.ProxyType.SOCKS5,
"server returns " + buf[1]);
}
@ -280,11 +276,7 @@ public class Socks5ProxySocketConnection implements ProxySocketConnection {
throw e;
}
catch (Exception e) {
try {
socket.close();
}
catch (Exception eee) {
}
CloseableUtil.maybeClose(socket, LOGGER);
// TODO convert to IOException(e) when minimum Android API level is 9 or higher
throw new IOException(e.getLocalizedMessage());
}

37
smack-core/src/main/java/org/jivesoftware/smack/util/CloseableUtil.java Normal file
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@ -0,0 +1,37 @@
/**
*
* Copyright 2018 Florian Schmaus
*
* 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
*
* 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.jivesoftware.smack.util;
import java.io.Closeable;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
public class CloseableUtil {
public static void maybeClose(Closeable closable, Logger logger) {
if (closable == null) {
return;
}
try {
closable.close();
} catch (IOException e) {
logger.log(Level.WARNING, "Could not close " + closable, e);
}
}
}