--- /dev/null
+<!--
+ ~ Copyright 2005-2006 The Apache Software Foundation.
+ ~
+ ~ 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.
+ -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <parent>
+ <groupId>org.apache.maven.repository</groupId>
+ <artifactId>maven-repository-manager</artifactId>
+ <version>1.0-SNAPSHOT</version>
+ </parent>
+ <modelVersion>4.0.0</modelVersion>
+ <artifactId>maven-repository-utils</artifactId>
+ <name>Maven Repository Utilities</name>
+ <dependencies>
+ <dependency>
+ <groupId>org.codehaus.plexus</groupId>
+ <artifactId>plexus-utils</artifactId>
+ </dependency>
+ </dependencies>
+</project>
--- /dev/null
+package org.apache.maven.repository.digest;
+
+import org.codehaus.plexus.util.IOUtil;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+/*
+ * Copyright 2005-2006 The Apache Software Foundation.
+ *
+ * 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.
+ */
+
+/**
+ * Create a digest for a file.
+ *
+ * @author <a href="mailto:brett@apache.org">Brett Porter</a>
+ * @plexus.component role="org.apache.maven.repository.digest.Digester"
+ */
+public class DefaultDigester
+ implements Digester
+{
+ private static final int CHECKSUM_BUFFER_SIZE = 16384;
+
+ private static final int BYTE_MASK = 0xFF;
+
+ public String createChecksum( File file, String algorithm )
+ throws IOException, NoSuchAlgorithmException
+ {
+ MessageDigest digest = MessageDigest.getInstance( algorithm );
+
+ InputStream fis = new FileInputStream( file );
+ try
+ {
+ byte[] buffer = new byte[CHECKSUM_BUFFER_SIZE];
+ int numRead;
+ do
+ {
+ numRead = fis.read( buffer );
+ if ( numRead > 0 )
+ {
+ digest.update( buffer, 0, numRead );
+ }
+ }
+ while ( numRead != -1 );
+ }
+ finally
+ {
+ IOUtil.close( fis );
+ }
+
+ return byteArrayToHexStr( digest.digest() );
+ }
+
+ public boolean verifyChecksum( File file, String checksum, String algorithm )
+ throws NoSuchAlgorithmException, IOException
+ {
+ //Create checksum for jar file
+ String sum = createChecksum( file, algorithm );
+ return checksum.toUpperCase().equals( sum.toUpperCase() );
+ }
+
+ /**
+ * Convert an incoming array of bytes into a string that represents each of
+ * the bytes as two hex characters.
+ *
+ * @param data
+ */
+ private static String byteArrayToHexStr( byte[] data )
+ {
+ String output = "";
+
+ for ( int cnt = 0; cnt < data.length; cnt++ )
+ {
+ //Deposit a byte into the 8 lsb of an int.
+ int tempInt = data[cnt] & BYTE_MASK;
+
+ //Get hex representation of the int as a string.
+ String tempStr = Integer.toHexString( tempInt );
+
+ //Append a leading 0 if necessary so that each hex string will contain 2 characters.
+ if ( tempStr.length() == 1 )
+ {
+ tempStr = "0" + tempStr;
+ }
+
+ //Concatenate the two characters to the output string.
+ output = output + tempStr;
+ }
+
+ return output.toUpperCase();
+ }
+}
--- /dev/null
+package org.apache.maven.repository.digest;
+
+/*
+ * Copyright 2005-2006 The Apache Software Foundation.
+ *
+ * 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.
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.io.FileNotFoundException;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * Create a digest for a file.
+ *
+ * @author <a href="mailto:brett@apache.org">Brett Porter</a>
+ */
+public interface Digester
+{
+ String ROLE = Digester.class.getName();
+
+ String SHA1 = "SHA-1";
+
+ String MD5 = "MD5";
+
+ String createChecksum( File file, String algorithm )
+ throws FileNotFoundException, IOException, NoSuchAlgorithmException;
+
+ boolean verifyChecksum( File file, String checksum, String algorithm )
+ throws NoSuchAlgorithmException, IOException;
+}
projects / archiva.git / commitdiff