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Posted to dev@tomcat.apache.org by ma...@apache.org on 2019/11/08 22:14:16 UTC

[tomcat] 02/02: Fix some Javadoc warnings with Java 13

This is an automated email from the ASF dual-hosted git repository.

markt pushed a commit to branch 7.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git

commit a354f2d6dcf6c8ba5ecedbeb6b42a5d6dd5d986c
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Fri Nov 8 22:13:59 2019 +0000

    Fix some Javadoc warnings with Java 13
    
    Generally, fix by aligning with 8.5.x/9.0.x. Also include some
    additional minor clean-up
---
 java/org/apache/catalina/ha/backend/Sender.java    | 10 ++-
 java/org/apache/catalina/ha/backend/TcpSender.java |  1 +
 .../apache/catalina/tribes/ChannelReceiver.java    |  3 +-
 .../catalina/tribes/transport/ReceiverBase.java    | 25 +++----
 .../tribes/transport/bio/BioReplicationTask.java   |  9 ++-
 .../catalina/tribes/transport/bio/BioSender.java   | 26 +++----
 java/org/apache/tomcat/util/buf/ByteChunk.java     | 23 ++++--
 java/org/apache/tomcat/util/buf/MessageBytes.java  | 84 ++++++++++++++--------
 8 files changed, 106 insertions(+), 75 deletions(-)

diff --git a/java/org/apache/catalina/ha/backend/Sender.java b/java/org/apache/catalina/ha/backend/Sender.java
index 191a19c..8857445 100644
--- a/java/org/apache/catalina/ha/backend/Sender.java
+++ b/java/org/apache/catalina/ha/backend/Sender.java
@@ -18,19 +18,23 @@
 
 package org.apache.catalina.ha.backend;
 
-/*
- * Interface to send data to proxies
- *
+/**
+ * Interface to send data to proxies.
  */
 public interface Sender {
 
   /**
    * Set the configuration parameters
+   * @param config The heartbeat listener configuration
+   * @throws Exception An error occurred
    */
   public void init(HeartbeatListener config) throws Exception;
 
   /**
    * Send the message to the proxies
+   * @param mess The message that will be sent
+   * @return <code>0</code> if no error occurred, <code>-1</code> otherwise
+   * @throws Exception An error occurred
    */
   public int send(String mess) throws Exception;
 }
diff --git a/java/org/apache/catalina/ha/backend/TcpSender.java b/java/org/apache/catalina/ha/backend/TcpSender.java
index 6c78e10..7dd9338 100644
--- a/java/org/apache/catalina/ha/backend/TcpSender.java
+++ b/java/org/apache/catalina/ha/backend/TcpSender.java
@@ -180,6 +180,7 @@ public class TcpSender
 
     /**
      * Close connection.
+     * @param i The index of the connection that will be closed
      */
     protected void close(int i) {
         try {
diff --git a/java/org/apache/catalina/tribes/ChannelReceiver.java b/java/org/apache/catalina/tribes/ChannelReceiver.java
index e90c3e2..b1dae2e 100644
--- a/java/org/apache/catalina/tribes/ChannelReceiver.java
+++ b/java/org/apache/catalina/tribes/ChannelReceiver.java
@@ -23,14 +23,13 @@ package org.apache.catalina.tribes;
  * The <code>ChannelReceiver</code> interface is the data receiver component
  * at the bottom layer, the IO layer (for layers see the javadoc for the {@link Channel} interface).
  * This class may optionally implement a thread pool for parallel processing of incoming messages.
- * @author Filip Hanik
  */
 public interface ChannelReceiver extends Heartbeat {
     public static final int MAX_UDP_SIZE = 65535;
 
     /**
      * Start listening for incoming messages on the host/port
-     * @throws java.io.IOException
+     * @throws java.io.IOException Listen failed
      */
     public void start() throws java.io.IOException;
 
diff --git a/java/org/apache/catalina/tribes/transport/ReceiverBase.java b/java/org/apache/catalina/tribes/transport/ReceiverBase.java
index 380807c..43d99d5 100644
--- a/java/org/apache/catalina/tribes/transport/ReceiverBase.java
+++ b/java/org/apache/catalina/tribes/transport/ReceiverBase.java
@@ -36,16 +36,6 @@ import org.apache.catalina.tribes.util.ExecutorFactory;
 import org.apache.juli.logging.Log;
 import org.apache.juli.logging.LogFactory;
 
-/**
- * <p>Title: </p>
- *
- * <p>Description: </p>
- *
- * <p>Company: </p>
- *
- * @author not attributable
- * @version 1.0
- */
 public abstract class ReceiverBase implements ChannelReceiver, ListenCallback, RxTaskPool.TaskCreator {
 
     public static final int OPTION_DIRECT_BUFFER = 0x0004;
@@ -224,7 +214,7 @@ public abstract class ReceiverBase implements ChannelReceiver, ListenCallback, R
      * @param portstart     Starting port for bind attempts
      * @param retries       Number of times to attempt to bind (port incremented
      *                      between attempts)
-     * @throws IOException
+     * @throws IOException Socket bind error
      */
     protected void bind(ServerSocket socket, int portstart, int retries) throws IOException {
         synchronized (bindLock) {
@@ -252,11 +242,12 @@ public abstract class ReceiverBase implements ChannelReceiver, ListenCallback, R
 
     /**
      * Same as bind() except it does it for the UDP port
-     * @param socket
-     * @param portstart
-     * @param retries
-     * @return int
-     * @throws IOException
+     * @param socket    The socket to bind
+     * @param portstart Starting port for bind attempts
+     * @param retries   Number of times to attempt to bind (port incremented
+     *                  between attempts)
+     * @return int The retry count
+     * @throws IOException Socket bind error
      */
     protected int bindUdp(DatagramSocket socket, int portstart, int retries) throws IOException {
         InetSocketAddress addr = null;
@@ -619,4 +610,4 @@ public abstract class ReceiverBase implements ChannelReceiver, ListenCallback, R
         this.maxIdleTime = maxIdleTime;
     }
 
-}
\ No newline at end of file
+}
diff --git a/java/org/apache/catalina/tribes/transport/bio/BioReplicationTask.java b/java/org/apache/catalina/tribes/transport/bio/BioReplicationTask.java
index a5d724f..88546dc 100644
--- a/java/org/apache/catalina/tribes/transport/bio/BioReplicationTask.java
+++ b/java/org/apache/catalina/tribes/transport/bio/BioReplicationTask.java
@@ -40,8 +40,6 @@ import org.apache.juli.logging.LogFactory;
  * serviceChannel() method stores the key reference in the thread object then
  * calls notify() to wake it up. When the channel has been drained, the worker
  * thread returns itself to its parent pool.
- *
- * @author Filip Hanik
  */
 public class BioReplicationTask extends AbstractRxTask {
 
@@ -134,8 +132,9 @@ public class BioReplicationTask extends AbstractRxTask {
      * interest in OP_READ.  When this method completes it
      * re-enables OP_READ and calls wakeup() on the selector
      * so the selector will resume watching this channel.
+     * @throws Exception IO exception or execute exception
      */
-    protected void drainSocket () throws Exception {
+    protected void drainSocket() throws Exception {
         InputStream in = socket.getInputStream();
         // loop while data available, channel is non-blocking
         byte[] buf = new byte[1024];
@@ -149,8 +148,8 @@ public class BioReplicationTask extends AbstractRxTask {
 
 
     /**
-     * send a reply-acknowledgment (6,2,3)
-     * @param command
+     * Send a reply-acknowledgment (6,2,3)
+     * @param command The command to write
      */
     protected void sendAck(byte[] command) {
         try {
diff --git a/java/org/apache/catalina/tribes/transport/bio/BioSender.java b/java/org/apache/catalina/tribes/transport/bio/BioSender.java
index cf9c73e..e95a8df 100644
--- a/java/org/apache/catalina/tribes/transport/bio/BioSender.java
+++ b/java/org/apache/catalina/tribes/transport/bio/BioSender.java
@@ -30,23 +30,24 @@ import org.apache.catalina.tribes.transport.AbstractSender;
 import org.apache.catalina.tribes.transport.Constants;
 import org.apache.catalina.tribes.transport.SenderState;
 import org.apache.catalina.tribes.util.StringManager;
+import org.apache.juli.logging.Log;
+import org.apache.juli.logging.LogFactory;
 
 /**
  * Send cluster messages with only one socket. Ack and keep Alive Handling is
  * supported
  *
  * @author Peter Rossbach
- * @author Filip Hanik
  * @since 5.5.16
  */
 public class BioSender extends AbstractSender {
 
-    private static final org.apache.juli.logging.Log log = org.apache.juli.logging.LogFactory.getLog(BioSender.class);
+    private static final Log log = LogFactory.getLog(BioSender.class);
 
     /**
      * The string manager for this package.
      */
-    protected static final StringManager sm = StringManager.getManager(Constants.Package);
+    protected static final StringManager sm = StringManager.getManager(BioSender.class);
 
     // ----------------------------------------------------- Instance Variables
 
@@ -76,7 +77,7 @@ public class BioSender extends AbstractSender {
     // ------------------------------------------------------------- Properties
 
     /**
-     * Return descriptive information about this implementation and the
+     * @return descriptive information about this implementation and the
      * corresponding version number, in the format
      * <code>&lt;description&gt;/&lt;version&gt;</code>.
      */
@@ -147,9 +148,6 @@ public class BioSender extends AbstractSender {
     }
 
 
-    /**
-     * Name of this SockerSender
-     */
     @Override
     public String toString() {
         StringBuilder buf = new StringBuilder("DataSender[(");
@@ -161,8 +159,9 @@ public class BioSender extends AbstractSender {
     // --------------------------------------------------------- Protected Methods
 
     /**
-     * open real socket and set time out when waitForAck is enabled
-     * is socket open return directly
+     * Open real socket and set time out when waitForAck is enabled
+     * is socket open return directly.
+     * @throws IOException Error opening socket
      */
     protected void openSocket() throws IOException {
        if(isConnected()) return ;
@@ -233,8 +232,10 @@ public class BioSender extends AbstractSender {
      * @see #openSocket()
      * @see #sendMessage(byte[], boolean)
      *
-     * @param data
-     *            data to send
+     * @param data Data to send
+     * @param reconnect Do a reconnect (close socket then reopen)
+     * @param waitForAck Wait for an acknowledgement
+     * @throws IOException IO error writing data
      * @since 5.5.10
      */
 
@@ -252,8 +253,7 @@ public class BioSender extends AbstractSender {
     /**
      * Wait for Acknowledgement from other server.
      * FIXME Please, not wait only for three characters, better control that the wait ack message is correct.
-     * @throws java.io.IOException
-     * @throws java.net.SocketTimeoutException
+     * @throws IOException An IO error occurred
      */
     protected void waitForAck() throws java.io.IOException {
         try {
diff --git a/java/org/apache/tomcat/util/buf/ByteChunk.java b/java/org/apache/tomcat/util/buf/ByteChunk.java
index f80d801..b553c6a 100644
--- a/java/org/apache/tomcat/util/buf/ByteChunk.java
+++ b/java/org/apache/tomcat/util/buf/ByteChunk.java
@@ -78,6 +78,9 @@ public final class ByteChunk extends AbstractChunk {
         /**
          * Read new bytes.
          *
+         * @param cbuf bytes that will be read
+         * @param off offset in the bytes array
+         * @param len length that will be read
          * @return The number of bytes read
          *
          * @throws IOException If an I/O error occurs during reading
@@ -140,6 +143,7 @@ public final class ByteChunk extends AbstractChunk {
 
 
     /**
+     * @return {@link #clone()}
      * @deprecated Unused. Will be removed in Tomcat 8.0.x onwards.
      */
     @Deprecated
@@ -213,6 +217,7 @@ public final class ByteChunk extends AbstractChunk {
 
 
     /**
+     * @param optimizedWrite The new setting
      * @deprecated Unused. Will be removed in Tomcat 8.0.x onwards.
      */
     @Deprecated
@@ -277,8 +282,8 @@ public final class ByteChunk extends AbstractChunk {
     /**
      * Append a char, by casting it to byte. This IS NOT intended for unicode.
      *
-     * @param c
-     * @throws IOException
+     * @param c The character to append
+     * @throws IOException If the buffer is flushed and an I/O error occurs
      * @deprecated Unused. Will be removed in Tomcat 8.0.x onwards.
      */
     @Deprecated
@@ -369,6 +374,10 @@ public final class ByteChunk extends AbstractChunk {
 
 
     /**
+     * @param src To fill
+     * @return Count of bytes transferred
+     * @throws IOException If an I/O occurs obtaining more data to fill the
+     *                     supplied ByteChunk
      * @deprecated Unused. Will be removed in Tomcat 8.0.x onwards.
      */
     @Deprecated
@@ -522,6 +531,7 @@ public final class ByteChunk extends AbstractChunk {
 
 
     /**
+     * @return The content parsed as an int
      * @deprecated Unused. Will be removed in Tomcat 8.0.x onwards.
      */
     @Deprecated
@@ -650,10 +660,9 @@ public final class ByteChunk extends AbstractChunk {
 
 
     /**
-     * Returns true if the buffer starts with the specified string when tested
-     * in a case sensitive manner.
-     *
      * @param s the string
+     * @return true if the buffer starts with the specified string when tested
+     * in a case sensitive manner.
      * @deprecated Unused. Will be removed in Tomcat 8.0.x onwards.
      */
     @Deprecated
@@ -675,7 +684,8 @@ public final class ByteChunk extends AbstractChunk {
 
 
     /**
-     * Returns true if the message bytes start with the specified byte array.
+     * @param b2 The byte array to look for
+     * @return true if the message bytes start with the specified byte array.
      *
      * @deprecated Unused. Will be removed in Tomcat 8.0.x onwards.
      */
@@ -755,6 +765,7 @@ public final class ByteChunk extends AbstractChunk {
 
 
     /**
+     * @return Hash for lower case version of contents
      * @deprecated Unused. Will be removed in Tomcat 8.0.x onwards.
      */
     @Deprecated
diff --git a/java/org/apache/tomcat/util/buf/MessageBytes.java b/java/org/apache/tomcat/util/buf/MessageBytes.java
index b8dbf43..a83f83c 100644
--- a/java/org/apache/tomcat/util/buf/MessageBytes.java
+++ b/java/org/apache/tomcat/util/buf/MessageBytes.java
@@ -52,7 +52,7 @@ public final class MessageBytes implements Cloneable, Serializable {
     public static final int T_CHARS = 3;
 
     private int hashCode=0;
-    // did we computed the hashcode ?
+    // did we compute the hashcode ?
     private boolean hasHashCode=false;
 
     // Internal objects to represent array + offset, and specific methods
@@ -73,7 +73,9 @@ public final class MessageBytes implements Cloneable, Serializable {
     private MessageBytes() {
     }
 
-    /** Construct a new MessageBytes instance
+    /**
+     * Construct a new MessageBytes instance.
+     * @return the instance
      */
     public static MessageBytes newInstance() {
         return factory.newInstance();
@@ -133,9 +135,9 @@ public final class MessageBytes implements Cloneable, Serializable {
     /**
      * Sets the content to be a char[]
      *
-     * @param c the bytes
-     * @param off the start offset of the bytes
-     * @param len the length of the bytes
+     * @param c the chars
+     * @param off the start offset of the chars
+     * @param len the length of the chars
      */
     public void setChars( char[] c, int off, int len ) {
         charC.setChars( c, off, len );
@@ -148,6 +150,7 @@ public final class MessageBytes implements Cloneable, Serializable {
 
     /**
      * Set the content to be a string
+     * @param s The string
      */
     public void setString( String s ) {
         strValue=s;
@@ -165,30 +168,34 @@ public final class MessageBytes implements Cloneable, Serializable {
 
     // -------------------- Conversion and getters --------------------
 
-    /** Compute the string value
+    /**
+     * Compute the string value.
+     * @return the string
      */
     @Override
     public String toString() {
-        if( hasStrValue ) {
+        if (hasStrValue) {
             return strValue;
         }
 
         switch (type) {
         case T_CHARS:
-            strValue=charC.toString();
-            hasStrValue=true;
+            strValue = charC.toString();
+            hasStrValue = true;
             return strValue;
         case T_BYTES:
-            strValue=byteC.toString();
-            hasStrValue=true;
+            strValue = byteC.toString();
+            hasStrValue = true;
             return strValue;
         }
         return null;
     }
 
     //----------------------------------------
-    /** Return the type of the original content. Can be
-     *  T_STR, T_BYTES, T_CHARS or T_NULL
+    /**
+     * Return the type of the original content. Can be
+     * T_STR, T_BYTES, T_CHARS or T_NULL
+     * @return the type
      */
     public int getType() {
         return type;
@@ -197,6 +204,7 @@ public final class MessageBytes implements Cloneable, Serializable {
     /**
      * Returns the byte chunk, representing the byte[] and offset/length.
      * Valid only if T_BYTES or after a conversion was made.
+     * @return the byte chunk
      */
     public ByteChunk getByteChunk() {
         return byteC;
@@ -205,6 +213,7 @@ public final class MessageBytes implements Cloneable, Serializable {
     /**
      * Returns the char chunk, representing the char[] and offset/length.
      * Valid only if T_CHARS or after a conversion was made.
+     * @return the char chunk
      */
     public CharChunk getCharChunk() {
         return charC;
@@ -213,13 +222,14 @@ public final class MessageBytes implements Cloneable, Serializable {
     /**
      * Returns the string value.
      * Valid only if T_STR or after a conversion was made.
+     * @return the string
      */
     public String getString() {
         return strValue;
     }
 
     /**
-     * Get the Charset used for string&lt;-&gt;byte conversions.
+     * @return the Charset used for string&lt;-&gt;byte conversions.
      */
     public Charset getCharset() {
         return byteC.getCharset();
@@ -227,37 +237,48 @@ public final class MessageBytes implements Cloneable, Serializable {
 
     /**
      * Set the Charset used for string&lt;-&gt;byte conversions.
+     * @param charset The charset
      */
     public void setCharset(Charset charset) {
         byteC.setCharset(charset);
     }
 
-    /** Do a char-&gt;byte conversion.
+
+    /**
+     * Do a char-&gt;byte conversion.
      */
     public void toBytes() {
+        if (isNull()) {
+            return;
+        }
         if (!byteC.isNull()) {
-            type=T_BYTES;
+            type = T_BYTES;
             return;
         }
         toString();
-        type=T_BYTES;
+        type = T_BYTES;
         Charset charset = byteC.getCharset();
         ByteBuffer result = charset.encode(strValue);
         byteC.setBytes(result.array(), result.arrayOffset(), result.limit());
     }
 
-    /** Convert to char[] and fill the CharChunk.
-     *  XXX Not optimized - it converts to String first.
+
+    /**
+     * Convert to char[] and fill the CharChunk.
+     * XXX Not optimized - it converts to String first.
      */
     public void toChars() {
-        if( ! charC.isNull() ) {
-            type=T_CHARS;
+        if (isNull()) {
+            return;
+        }
+        if (!charC.isNull()) {
+            type = T_CHARS;
             return;
         }
         // inefficient
         toString();
-        type=T_CHARS;
-        char cc[]=strValue.toCharArray();
+        type = T_CHARS;
+        char cc[] = strValue.toCharArray();
         charC.setChars(cc, 0, cc.length);
     }
 
@@ -266,6 +287,7 @@ public final class MessageBytes implements Cloneable, Serializable {
      * Returns the length of the original buffer.
      * Note that the length in bytes may be different from the length
      * in chars.
+     * @return the length
      */
     public int getLength() {
         if(type==T_BYTES) {
@@ -289,7 +311,7 @@ public final class MessageBytes implements Cloneable, Serializable {
     /**
      * Compares the message bytes to the specified String object.
      * @param s the String to compare
-     * @return true if the comparison succeeded, false otherwise
+     * @return <code>true</code> if the comparison succeeded, <code>false</code> otherwise
      */
     public boolean equals(String s) {
         switch (type) {
@@ -310,7 +332,7 @@ public final class MessageBytes implements Cloneable, Serializable {
     /**
      * Compares the message bytes to the specified String object.
      * @param s the String to compare
-     * @return true if the comparison succeeded, false otherwise
+     * @return <code>true</code> if the comparison succeeded, <code>false</code> otherwise
      */
     public boolean equalsIgnoreCase(String s) {
         switch (type) {
@@ -389,7 +411,7 @@ public final class MessageBytes implements Cloneable, Serializable {
     }
 
     /**
-     * Returns true if the message bytes starts with the specified string.
+     * @return <code>true</code> if the message bytes starts with the specified string.
      * @param s the string
      * @param pos The start position
      */
@@ -501,8 +523,10 @@ public final class MessageBytes implements Cloneable, Serializable {
         }
     }
 
-    /** Copy the src into this MessageBytes, allocating more space if
-     *  needed
+    /**
+     * Copy the src into this MessageBytes, allocating more space if needed.
+     * @param src The source
+     * @throws IOException Writing overflow data to the output channel failed
      */
     public void duplicate( MessageBytes src ) throws IOException
     {
@@ -648,7 +672,9 @@ public final class MessageBytes implements Cloneable, Serializable {
     }
 
     // Used for headers conversion
-    /** Convert the buffer to an long, cache the value
+    /**
+     * Convert the buffer to an long, cache the value.
+     * @return the long value
      */
     public long getLong() {
         if( hasLongValue ) {


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