o cli interface for archiva, using this to do the m1 -> m2 conversion

git-svn-id: https://svn.apache.org/repos/asf/maven/archiva/trunk@470635 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 548 insertions, 0 deletions

diff --git a/archiva-cli/pom.xml b/archiva-cli/pom.xml
new file mode 100644
index 000000000..270533db4
--- /dev/null
+++ b/archiva-cli/pom.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0"?>
+<project>
+  <parent>
+    <artifactId>archiva</artifactId>
+    <groupId>org.apache.maven.archiva</groupId>
+    <version>1.0-SNAPSHOT</version>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+  <artifactId>archiva-cli</artifactId>
+  <name>Archiva CLI</name>
+  <version>1.0-SNAPSHOT</version>
+  <url>http://maven.apache.org</url>
+  <dependencies>
+    <dependency>
+      <groupId>classworlds</groupId>
+      <artifactId>classworlds</artifactId>
+      <version>1.1</version>
+    </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-utils</artifactId>
+      <version>1.1</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven.archiva</groupId>
+      <artifactId>archiva-core</artifactId>
+      <version>1.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>commons-cli</groupId>
+      <artifactId>commons-cli</artifactId>
+      <version>1.0</version>
+      <exclusions>
+        <exclusion>
+          <artifactId>commons-lang</artifactId>
+          <groupId>commons-lang</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>commons-logging</artifactId>
+          <groupId>commons-logging</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>ognl</groupId>
+      <artifactId>ognl</artifactId>
+      <version>2.6.7</version>
+    </dependency>
+  </dependencies>
+</project>
diff --git a/archiva-cli/src/main/java/org/apache/maven/archiva/cli/Cli.java b/archiva-cli/src/main/java/org/apache/maven/archiva/cli/Cli.java
new file mode 100644
index 000000000..d0300c7c2
--- /dev/null
+++ b/archiva-cli/src/main/java/org/apache/maven/archiva/cli/Cli.java
@@ -0,0 +1,318 @@
+package org.apache.maven.archiva.cli;
+
+/*
+ * Copyright 2001-2005 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 org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.ParseException;
+import org.apache.maven.archiva.Archiva;
+import org.apache.maven.archiva.discoverer.DiscovererException;
+import org.apache.maven.archiva.converter.RepositoryConversionException;
+import org.codehaus.classworlds.ClassWorld;
+import org.codehaus.plexus.PlexusContainer;
+import org.codehaus.plexus.DefaultPlexusContainer;
+import org.codehaus.plexus.PlexusContainerException;
+import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.File;
+import java.util.Properties;
+
+/**
+ * @author jason van zyl
+ * @version $Id$
+ * @noinspection UseOfSystemOutOrSystemErr,ACCESS_STATIC_VIA_INSTANCE
+ * @todo complete separate out the general cli processing
+ * @todo create a simple component to do the invocation
+ */
+public class Cli
+{
+    public static void main( String[] args )
+    {
+        ClassWorld classWorld = new ClassWorld( "plexus.core", Thread.currentThread().getContextClassLoader() );
+
+        int result = main( args, classWorld );
+
+        System.exit( result );
+    }
+
+    /**
+     * @noinspection ConfusingMainMethod
+     */
+    public static int main( String[] args,
+                            ClassWorld classWorld )
+    {
+        // ----------------------------------------------------------------------
+        // Setup the command line parser
+        // ----------------------------------------------------------------------
+
+        CliManager cliManager = new CliManager();
+
+        CommandLine cli;
+
+        try
+        {
+            cli = cliManager.parse( args );
+        }
+        catch ( ParseException e )
+        {
+            System.err.println( "Unable to parse command line options: " + e.getMessage() );
+
+            cliManager.displayHelp();
+
+            return 1;
+        }
+
+        if ( System.getProperty( "java.class.version", "44.0" ).compareTo( "48.0" ) < 0 )
+        {
+            System.err.println( "Sorry, but JDK 1.4 or above is required to execute Maven" );
+
+            System.err.println(
+                "You appear to be using Java version: " + System.getProperty( "java.version", "<unknown>" ) );
+
+            return 1;
+        }
+
+        boolean debug = cli.hasOption( CliManager.DEBUG );
+
+        boolean quiet = !debug && cli.hasOption( CliManager.QUIET );
+
+        boolean showErrors = debug || cli.hasOption( CliManager.ERRORS );
+
+        if ( showErrors )
+        {
+            System.out.println( "+ Error stacktraces are turned on." );
+        }
+
+        // ----------------------------------------------------------------------------
+        // Logging
+        // ----------------------------------------------------------------------------
+
+        int loggingLevel;
+
+        if ( debug )
+        {
+            loggingLevel = 0; //MavenExecutionRequest.LOGGING_LEVEL_DEBUG;
+        }
+        else if ( quiet )
+        {
+            loggingLevel = 0; //MavenExecutionRequest.LOGGING_LEVEL_ERROR;
+        }
+        else
+        {
+            loggingLevel = 0; //MavenExecutionRequest.LOGGING_LEVEL_INFO;
+        }
+
+        // ----------------------------------------------------------------------
+        // Process particular command line options
+        // ----------------------------------------------------------------------
+
+        if ( cli.hasOption( CliManager.HELP ) )
+        {
+            cliManager.displayHelp();
+
+            return 0;
+        }
+
+        if ( cli.hasOption( CliManager.VERSION ) )
+        {
+            showVersion();
+
+            return 0;
+        }
+        else if ( debug )
+        {
+            showVersion();
+        }
+
+        // ----------------------------------------------------------------------------
+        // This is what we will generalize for the invocation of the command line.
+        // ----------------------------------------------------------------------------
+
+        try
+        {
+            PlexusContainer plexus = new DefaultPlexusContainer( "plexus.core", classWorld );
+
+            Archiva archiva = (Archiva) plexus.lookup( Archiva.ROLE );
+
+            if ( cli.hasOption( CliManager.CONVERT ) )
+            {
+                if ( cli.hasOption( CliManager.OLD_REPOSITORY_PATH ) &&
+                    cli.hasOption( CliManager.NEW_REPOSITORY_PATH ) )
+                {
+                    File oldRepositoryPath = new File( cli.getOptionValue( CliManager.OLD_REPOSITORY_PATH ) );
+
+                    File newRepositoryPath = new File( cli.getOptionValue( CliManager.NEW_REPOSITORY_PATH ) );
+
+                    try
+                    {
+                        archiva.convertLegacyRepository( oldRepositoryPath, newRepositoryPath, true );
+                    }
+                    catch ( RepositoryConversionException e )
+                    {
+                        showFatalError( "", e, true );
+                    }
+                    catch ( DiscovererException e )
+                    {
+                        showFatalError( "", e, true );
+                    }
+                }
+                else
+                {
+                    System.out.println(
+                        "You need to specify both a repository to convert and the path for the repository that will be created." );
+
+                    cliManager.displayHelp();
+                }
+            }
+
+        }
+        catch ( PlexusContainerException e )
+        {
+            showFatalError( "Cannot create Plexus container.", e, true );
+        }
+        catch ( ComponentLookupException e )
+        {
+            showError( "Cannot lookup application component.", e, true );
+        }
+
+        return 0;
+    }
+
+    private static int showFatalError( String message,
+                                        Exception e,
+                                        boolean show )
+    {
+        System.err.println( "FATAL ERROR: " + message );
+
+        if ( show )
+        {
+            System.err.println( "Error stacktrace:" );
+
+            e.printStackTrace();
+        }
+        else
+        {
+            System.err.println( "For more information, run with the -e flag" );
+        }
+
+        return 1;
+    }
+
+    private static void showError( String message,
+                                   Exception e,
+                                   boolean show )
+    {
+        System.err.println( message );
+
+        if ( show )
+        {
+            System.err.println( "Error stacktrace:" );
+
+            e.printStackTrace();
+        }
+    }
+
+    // Need to get the versions of the application in a general way, so that I need a way to get the
+    // specifics of the application so that I can do this in a general way.
+    private static void showVersion()
+    {
+        InputStream resourceAsStream;
+        try
+        {
+            Properties properties = new Properties();
+            resourceAsStream = Cli.class.getClassLoader().getResourceAsStream(
+                "META-INF/maven/org.apache.maven/maven-core/pom.properties" );
+            properties.load( resourceAsStream );
+
+            if ( properties.getProperty( "builtOn" ) != null )
+            {
+                System.out.println( "Maven version: " + properties.getProperty( "version", "unknown" ) + " built on " +
+                    properties.getProperty( "builtOn" ) );
+            }
+            else
+            {
+                System.out.println( "Maven version: " + properties.getProperty( "version", "unknown" ) );
+            }
+        }
+        catch ( IOException e )
+        {
+            System.err.println( "Unable determine version from JAR file: " + e.getMessage() );
+        }
+    }
+
+    // ----------------------------------------------------------------------
+    // System properties handling
+    // ----------------------------------------------------------------------
+
+    private static Properties getExecutionProperties( CommandLine commandLine )
+    {
+        Properties executionProperties = new Properties();
+
+        // ----------------------------------------------------------------------
+        // Options that are set on the command line become system properties
+        // and therefore are set in the session properties. System properties
+        // are most dominant.
+        // ----------------------------------------------------------------------
+
+        if ( commandLine.hasOption( CliManager.SET_SYSTEM_PROPERTY ) )
+        {
+            String[] defStrs = commandLine.getOptionValues( CliManager.SET_SYSTEM_PROPERTY );
+
+            for ( int i = 0; i < defStrs.length; ++i )
+            {
+                setCliProperty( defStrs[i], executionProperties );
+            }
+        }
+
+        executionProperties.putAll( System.getProperties() );
+
+        return executionProperties;
+    }
+
+    private static void setCliProperty( String property,
+                                        Properties executionProperties )
+    {
+        String name;
+
+        String value;
+
+        int i = property.indexOf( "=" );
+
+        if ( i <= 0 )
+        {
+            name = property.trim();
+
+            value = "true";
+        }
+        else
+        {
+            name = property.substring( 0, i ).trim();
+
+            value = property.substring( i + 1 ).trim();
+        }
+
+        executionProperties.setProperty( name, value );
+
+        // ----------------------------------------------------------------------
+        // I'm leaving the setting of system properties here as not to break
+        // the SystemPropertyProfileActivator. This won't harm embedding. jvz.
+        // ----------------------------------------------------------------------
+
+        System.setProperty( name, value );
+    }
+}
diff --git a/archiva-cli/src/main/java/org/apache/maven/archiva/cli/CliManager.java b/archiva-cli/src/main/java/org/apache/maven/archiva/cli/CliManager.java
new file mode 100644
index 000000000..2829dc7f3
--- /dev/null
+++ b/archiva-cli/src/main/java/org/apache/maven/archiva/cli/CliManager.java
@@ -0,0 +1,180 @@
+package org.apache.maven.archiva.cli;
+
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.OptionBuilder;
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.ParseException;
+import org.apache.commons.cli.CommandLineParser;
+import org.apache.commons.cli.GnuParser;
+import org.apache.commons.cli.HelpFormatter;
+
+import java.util.List;
+import java.util.ArrayList;
+
+/**
+ * @author Jason van Zyl
+ * @version $Revision: 381114 $
+ */
+public class CliManager
+{
+    public static char CONVERT = 'c';
+
+    public static final char OLD_REPOSITORY_PATH = 'o';
+
+    public static final char NEW_REPOSITORY_PATH = 'n';
+
+    // ----------------------------------------------------------------------------
+    // These are standard options that we would want to use for all our projects.
+    // ----------------------------------------------------------------------------
+
+    public static final char QUIET = 'q';
+
+    public static final char DEBUG = 'X';
+
+    public static final char ERRORS = 'e';
+
+    public static final char HELP = 'h';
+
+    public static final char VERSION = 'v';
+
+    public static final char SET_SYSTEM_PROPERTY = 'D';
+
+    private Options options;
+
+    public CliManager()
+    {
+        options = new Options();
+
+        options.addOption( OptionBuilder.withLongOpt( "convert" ).withDescription(
+            "Convert a legacy Maven 1.x repository to a Maven 2.x repository." ).create( CONVERT ) );
+
+        options.addOption( OptionBuilder.withLongOpt( "old-repo" ).withDescription(
+            "Path to Maven 1.x legacy repository to convert." ).create( OLD_REPOSITORY_PATH ) );
+
+        options.addOption( OptionBuilder.withLongOpt( "new-repo" ).withDescription(
+            "Path to newly created Maven 2.x repository." ).create( NEW_REPOSITORY_PATH ) );
+    }
+
+    public CommandLine parse( String[] args )
+        throws ParseException
+    {
+        // We need to eat any quotes surrounding arguments...
+        String[] cleanArgs = cleanArgs( args );
+
+        CommandLineParser parser = new GnuParser();
+
+        return parser.parse( options, cleanArgs );
+    }
+
+    private String[] cleanArgs( String[] args )
+    {
+        List cleaned = new ArrayList();
+
+        StringBuffer currentArg = null;
+
+        for ( int i = 0; i < args.length; i++ )
+        {
+            String arg = args[i];
+
+            boolean addedToBuffer = false;
+
+            if ( arg.startsWith( "\"" ) )
+            {
+                // if we're in the process of building up another arg, push it and start over.
+                // this is for the case: "-Dfoo=bar "-Dfoo2=bar two" (note the first unterminated quote)
+                if ( currentArg != null )
+                {
+                    cleaned.add( currentArg.toString() );
+                }
+
+                // start building an argument here.
+                currentArg = new StringBuffer( arg.substring( 1 ) );
+
+                addedToBuffer = true;
+            }
+
+            // this has to be a separate "if" statement, to capture the case of: "-Dfoo=bar"
+            if ( arg.endsWith( "\"" ) )
+            {
+                String cleanArgPart = arg.substring( 0, arg.length() - 1 );
+
+                // if we're building an argument, keep doing so.
+                if ( currentArg != null )
+                {
+                    // if this is the case of "-Dfoo=bar", then we need to adjust the buffer.
+                    if ( addedToBuffer )
+                    {
+                        currentArg.setLength( currentArg.length() - 1 );
+                    }
+                    // otherwise, we trim the trailing " and append to the buffer.
+                    else
+                    {
+                        // TODO: introducing a space here...not sure what else to do but collapse whitespace
+                        currentArg.append( ' ' ).append( cleanArgPart );
+                    }
+
+                    // we're done with this argument, so add it.
+                    cleaned.add( currentArg.toString() );
+                }
+                else
+                {
+                    // this is a simple argument...just add it.
+                    cleaned.add( cleanArgPart );
+                }
+
+                // the currentArg MUST be finished when this completes.
+                currentArg = null;
+
+                continue;
+            }
+
+            // if we haven't added this arg to the buffer, and we ARE building an argument
+            // buffer, then append it with a preceding space...again, not sure what else to
+            // do other than collapse whitespace.
+            // NOTE: The case of a trailing quote is handled by nullifying the arg buffer.
+            if ( !addedToBuffer )
+            {
+                // append to the argument we're building, collapsing whitespace to a single space.
+                if ( currentArg != null )
+                {
+                    currentArg.append( ' ' ).append( arg );
+                }
+                // this is a loner, just add it directly.
+                else
+                {
+                    cleaned.add( arg );
+                }
+            }
+        }
+
+        // clean up.
+        if ( currentArg != null )
+        {
+            cleaned.add( currentArg.toString() );
+        }
+
+        int cleanedSz = cleaned.size();
+        String[] cleanArgs = null;
+
+        if ( cleanedSz == 0 )
+        {
+            // if we didn't have any arguments to clean, simply pass the original array through
+            cleanArgs = args;
+        }
+        else
+        {
+            cleanArgs = (String[]) cleaned.toArray( new String[cleanedSz] );
+        }
+
+        return cleanArgs;
+    }
+
+    public void displayHelp()
+    {
+        System.out.println();
+
+        HelpFormatter formatter = new HelpFormatter();
+
+        formatter.printHelp( "mvn [options] [<goal(s)>] [<phase(s)>]", "\nOptions:", options, "\n" );
+    }
+}