Java ActiveMQBuffer.readNullableString方法代码示例

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
public static byte streamReadByte(ActiveMQBuffer buff) {
   int index = buff.readerIndex();
   try {
      byte type = buff.readByte();
      switch (type) {
         case DataConstants.BYTE:
            return buff.readByte();
         case DataConstants.STRING:
            String s = buff.readNullableString();
            return Byte.parseByte(s);
         default:
            throw new IllegalStateException("Invalid conversion");
      }
   } catch (NumberFormatException e) {
      buff.readerIndex(index);
      throw e;
   }

}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
public static char streamReadChar(ActiveMQBuffer buff) {
   byte type = buff.readByte();
   switch (type) {
      case DataConstants.CHAR:
         return (char) buff.readShort();
      case DataConstants.STRING:
         String str = buff.readNullableString();
         if (str == null) {
            throw new NullPointerException("Invalid conversion");
         } else {
            throw new IllegalStateException("Invalid conversion");
         }
      default:
         throw new IllegalStateException("Invalid conversion");
   }

}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
public static int streamReadInteger(ActiveMQBuffer buff) {
   byte type = buff.readByte();
   switch (type) {
      case DataConstants.BYTE:
         return buff.readByte();
      case DataConstants.SHORT:
         return buff.readShort();
      case DataConstants.INT:
         return buff.readInt();
      case DataConstants.STRING:
         String s = buff.readNullableString();
         return Integer.parseInt(s);
      default:
         throw new IllegalStateException("Invalid conversion");
   }
}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
public static long streamReadLong(ActiveMQBuffer buff) {
   byte type = buff.readByte();
   switch (type) {
      case DataConstants.BYTE:
         return buff.readByte();
      case DataConstants.SHORT:
         return buff.readShort();
      case DataConstants.INT:
         return buff.readInt();
      case DataConstants.LONG:
         return buff.readLong();
      case DataConstants.STRING:
         String s = buff.readNullableString();
         return Long.parseLong(s);
      default:
         throw new IllegalStateException("Invalid conversion");
   }
}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
public static String streamReadString(ActiveMQBuffer buff) {
   byte type = buff.readByte();
   switch (type) {
      case DataConstants.BOOLEAN:
         return String.valueOf(buff.readBoolean());
      case DataConstants.BYTE:
         return String.valueOf(buff.readByte());
      case DataConstants.SHORT:
         return String.valueOf(buff.readShort());
      case DataConstants.CHAR:
         return String.valueOf((char) buff.readShort());
      case DataConstants.INT:
         return String.valueOf(buff.readInt());
      case DataConstants.LONG:
         return String.valueOf(buff.readLong());
      case DataConstants.FLOAT:
         return String.valueOf(Float.intBitsToFloat(buff.readInt()));
      case DataConstants.DOUBLE:
         return String.valueOf(Double.longBitsToDouble(buff.readLong()));
      case DataConstants.STRING:
         return buff.readNullableString();
      default:
         throw new IllegalStateException("Invalid conversion");
   }
}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
@Override
public void decodeRest(final ActiveMQBuffer buffer) {
   this.nodeID = buffer.readString();
   this.backupGroupName = buffer.readNullableString();
   this.backup = buffer.readBoolean();
   this.currentEventID = buffer.readLong();
   if (buffer.readBoolean()) {
      connector = new TransportConfiguration();
      connector.decode(buffer);
   }
   if (buffer.readBoolean()) {
      backupConnector = new TransportConfiguration();
      backupConnector.decode(buffer);
   }
   scaleDownGroupName = buffer.readNullableString();
}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
/**
 * Method to read boolean values out of the Stream protocol existent on JMS Stream Messages
 * Throws IllegalStateException if the type was invalid
 *
 * @param buff
 * @return
 */
public static boolean streamReadBoolean(ActiveMQBuffer buff) {
   byte type = buff.readByte();

   switch (type) {
      case DataConstants.BOOLEAN:
         return buff.readBoolean();
      case DataConstants.STRING:
         String s = buff.readNullableString();
         return Boolean.valueOf(s);
      default:
         throw new IllegalStateException("Invalid conversion, type byte was " + type);
   }

}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
public static short streamReadShort(ActiveMQBuffer buff) {
   byte type = buff.readByte();
   switch (type) {
      case DataConstants.BYTE:
         return buff.readByte();
      case DataConstants.SHORT:
         return buff.readShort();
      case DataConstants.STRING:
         String s = buff.readNullableString();
         return Short.parseShort(s);
      default:
         throw new IllegalStateException("Invalid conversion");
   }
}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
public static float streamReadFloat(ActiveMQBuffer buff) {
   byte type = buff.readByte();
   switch (type) {
      case DataConstants.FLOAT:
         return Float.intBitsToFloat(buff.readInt());
      case DataConstants.STRING:
         String s = buff.readNullableString();
         return Float.parseFloat(s);
      default:
         throw new IllegalStateException("Invalid conversion");
   }
}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
public static double streamReadDouble(ActiveMQBuffer buff) {
   byte type = buff.readByte();
   switch (type) {
      case DataConstants.FLOAT:
         return Float.intBitsToFloat(buff.readInt());
      case DataConstants.DOUBLE:
         return Double.longBitsToDouble(buff.readLong());
      case DataConstants.STRING:
         String s = buff.readNullableString();
         return Double.parseDouble(s);
      default:
         throw new IllegalStateException("Invalid conversion: " + type);
   }
}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
public static Object streamReadObject(ActiveMQBuffer buff) {
   byte type = buff.readByte();
   switch (type) {
      case DataConstants.BOOLEAN:
         return buff.readBoolean();
      case DataConstants.BYTE:
         return buff.readByte();
      case DataConstants.SHORT:
         return buff.readShort();
      case DataConstants.CHAR:
         return (char) buff.readShort();
      case DataConstants.INT:
         return buff.readInt();
      case DataConstants.LONG:
         return buff.readLong();
      case DataConstants.FLOAT:
         return Float.intBitsToFloat(buff.readInt());
      case DataConstants.DOUBLE:
         return Double.longBitsToDouble(buff.readLong());
      case DataConstants.STRING:
         return buff.readNullableString();
      case DataConstants.BYTES:
         int bufferLen = buff.readInt();
         byte[] bytes = new byte[bufferLen];
         buff.readBytes(bytes);
         return bytes;
      default:
         throw new IllegalStateException("Invalid conversion");
   }

}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
@Override
public void decodeRest(final ActiveMQBuffer buffer) {
   int code = buffer.readInt();
   String msg = buffer.readNullableString();

   exception = ActiveMQExceptionType.createException(code, msg);
}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
@Override
public void decodeRest(final ActiveMQBuffer buffer) {
   name = buffer.readString();
   sessionChannelID = buffer.readLong();
   version = buffer.readInt();
   username = buffer.readNullableString();
   password = buffer.readNullableString();
   minLargeMessageSize = buffer.readInt();
   xa = buffer.readBoolean();
   autoCommitSends = buffer.readBoolean();
   autoCommitAcks = buffer.readBoolean();
   windowSize = buffer.readInt();
   preAcknowledge = buffer.readBoolean();
   defaultAddress = buffer.readNullableString();
}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
@Override
public void decodeRest(ActiveMQBuffer buffer) {
   super.decodeRest(buffer);
   backupSize = buffer.readInt();
   journalDirectory = buffer.readNullableString();
   bindingsDirectory = buffer.readNullableString();
   largeMessagesDirectory = buffer.readNullableString();
   pagingDirectory = buffer.readNullableString();
   nodeID = buffer.readNullableSimpleString();
}
 

import org.apache.activemq.artemis.api.core.ActiveMQBuffer; //导入方法依赖的package包/类
@Override
public void decodeRest(final ActiveMQBuffer buffer) {
   error = buffer.readBoolean();
   responseCode = buffer.readInt();
   message = buffer.readNullableString();
}