--- /dev/null
+package org.apache.archiva.metadata.repository.cassandra;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+/**
+ * @author Olivier Lamy
+ */
+public class CassandraUtils
+{
+
+ private static final String EMPTY_VALUE = "";
+
+ public static final String SEPARATOR = "->";
+
+ public static String generateKey( final String... bases )
+ {
+ final StringBuilder builder = new StringBuilder();
+ if ( bases == null || bases.length == 0 )
+ {
+ return builder.toString();
+ }
+
+ for ( final String s : bases )
+ {
+ if ( s != null )
+ {
+ builder.append( s );
+ }
+ else
+ {
+ builder.append( EMPTY_VALUE );
+ }
+ builder.append( SEPARATOR );
+ }
+ if ( builder.length() > 0 )
+ {
+ builder.setLength( builder.length() - SEPARATOR.length() );
+ }
+ return builder.toString();
+ }
+
+ private CassandraUtils()
+ {
+ // no-op
+ }
+
+}
--- /dev/null
+package org.apache.archiva.metadata.repository.cassandra.model;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+
+import com.netflix.astyanax.serializers.AbstractSerializer;
+import com.netflix.astyanax.serializers.ComparatorType;
+import org.apache.cassandra.db.marshal.UTF8Type;
+import org.apache.commons.codec.binary.StringUtils;
+import org.apache.commons.io.IOUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
+import java.util.zip.Deflater;
+import java.util.zip.DeflaterInputStream;
+import java.util.zip.DeflaterOutputStream;
+import java.util.zip.InflaterInputStream;
+
+
+/**
+ * For Huge String we use a compression
+ * @author Olivier Lamy
+ */
+public class HugeStringSerializer
+ extends AbstractSerializer<String>
+{
+
+ private Logger logger = LoggerFactory.getLogger( getClass() );
+
+ private static final String UTF_8 = "UTF-8";
+
+ private static final HugeStringSerializer instance = new HugeStringSerializer();
+
+ private static final Charset charset = Charset.forName( UTF_8 );
+
+ public static HugeStringSerializer get()
+ {
+ return instance;
+ }
+
+ @Override
+ public ByteBuffer toByteBuffer( String obj )
+ {
+ if ( obj == null )
+ {
+ return null;
+ }
+
+ try
+ {
+ byte[] bytes = compressWithDeflate( StringUtils.getBytesUtf8( obj ) );
+ return ByteBuffer.wrap( bytes );
+ }
+ catch ( IOException e )
+ {
+ throw new RuntimeException( "Fail to compress column data", e );
+ }
+ }
+
+ @Override
+ public String fromByteBuffer( ByteBuffer byteBuffer )
+ {
+ if ( byteBuffer == null )
+ {
+ return null;
+ }
+
+ ByteBuffer dup = byteBuffer.duplicate();
+ try
+ {
+ String str = getFromDeflateBytes( dup.array() );
+ return str;
+ }
+ catch ( IOException e )
+ {
+ throw new RuntimeException( "Fail to decompress column data", e );
+ }
+
+ }
+
+ public String getFromDeflateBytes( byte[] bytes )
+ throws IOException
+ {
+ ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream( bytes );
+ InflaterInputStream inflaterInputStream = new InflaterInputStream( byteArrayInputStream );
+ return IOUtils.toString( inflaterInputStream );
+ }
+
+ public byte[] compressWithDeflate( byte[] unCompress )
+ throws IOException
+ {
+ try
+ {
+ ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+ DeflaterOutputStream out = new DeflaterOutputStream( buffer, new Deflater( Deflater.BEST_COMPRESSION ) );
+ out.write( unCompress );
+ out.finish();
+ ByteArrayInputStream bais = new ByteArrayInputStream( buffer.toByteArray() );
+ byte[] res = IOUtils.toByteArray( bais );
+ return res;
+ }
+ catch ( IOException e )
+ {
+ logger.debug( "IOException in compressStringWithDeflate", e );
+ throw e;
+ }
+
+ }
+
+ @Override
+ public ComparatorType getComparatorType()
+ {
+ return ComparatorType.BYTESTYPE;
+ }
+
+ @Override
+ public ByteBuffer fromString( String str )
+ {
+ return instance.fromString( str );
+ }
+
+ @Override
+ public String getString( ByteBuffer byteBuffer )
+ {
+ return instance.getString( byteBuffer );
+ }
+
+ /*
+ private static final String UTF_8 = "UTF-8";
+ private static final HugeStringSerializer instance = new HugeStringSerializer();
+ private static final Charset charset = Charset.forName(UTF_8);
+
+ public static HugeStringSerializer get() {
+ return instance;
+ }
+
+ @Override
+ public ByteBuffer toByteBuffer(String obj) {
+ if (obj == null) {
+ return null;
+ }
+ return ByteBuffer.wrap(obj.getBytes(charset));
+ }
+
+ @Override
+ public String fromByteBuffer(ByteBuffer byteBuffer) {
+ if (byteBuffer == null) {
+ return null;
+ }
+ final ByteBuffer dup = byteBuffer.duplicate();
+ return charset.decode(dup).toString();
+ }
+
+ @Override
+ public ComparatorType getComparatorType() {
+ return ComparatorType.UTF8TYPE;
+ }
+
+ @Override
+ public ByteBuffer fromString(String str) {
+ return UTF8Type.instance.fromString(str);
+ }
+
+ @Override
+ public String getString(ByteBuffer byteBuffer) {
+ return UTF8Type.instance.getString(byteBuffer);
+ }
+ */
+}
projects / archiva.git / commitdiff