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Added in two datatypes; 

* ExtensionSet: (Contains set of extensions - oh der)
* LibFileSet: allows you to extract a list of extensions from a fileset. It also allows you to explicitly pick certain features to include in extension set (ie don't include implementation attributes or url attributes unless explicitly required)


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272603 13f79535-47bb-0310-9956-ffa450edef68
master
Peter Donald 23 years ago
parent
6ab926ae04
commit
bc214e817e
3 changed files with 572 additions and 0 deletions
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  1. +169
    -0
      src/main/org/apache/tools/ant/taskdefs/optional/extension/ExtensionSet.java
  2. +238
    -0
      src/main/org/apache/tools/ant/taskdefs/optional/extension/ExtensionUtil.java
  3. +165
    -0
      src/main/org/apache/tools/ant/taskdefs/optional/extension/LibFileSet.java

+ 169
- 0
src/main/org/apache/tools/ant/taskdefs/optional/extension/ExtensionSet.java View File

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/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.tools.ant.taskdefs.optional.extension;

import java.util.ArrayList;
import java.util.Arrays;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.DataType;
import org.apache.tools.ant.types.Reference;
import org.apache.tools.ant.types.FileSet;

/**
* The Extension set lists a set of "Optional Packages" /
* "Extensions".
*
* @author <a href="mailto:peter@apache.org">Peter Donald</a>
* @version $Revision$ $Date$
* @ant.data-type name="extension-set"
*/
public class ExtensionSet
extends DataType
{
/**
* ExtensionAdapter objects representing extensions.
*/
private final ArrayList m_extensions = new ArrayList();

/**
* Filesets specifying all the extensions wanted.
*/
private final ArrayList m_extensionsFilesets = new ArrayList();

/**
* Adds an extension that this library requires.
*
* @param extensionAdapter an extension that this library requires.
*/
public void addExtension( final ExtensionAdapter extensionAdapter )
{
m_extensions.add( extensionAdapter );
}

/**
* Adds a set of files about which extensions data will be extracted.
*
* @param fileSet a set of files about which extensions data will be extracted.
*/
public void addLibfileset( final LibFileSet fileSet )
{
m_extensionsFilesets.add( fileSet );
}

/**
* Adds a set of files about which extensions data will be extracted.
*
* @param fileSet a set of files about which extensions data will be extracted.
*/
public void addFileset( final FileSet fileSet )
{
m_extensionsFilesets.add( fileSet );
}

/**
* Extract a set of Extension objects from the ExtensionSet.
*
* @throws BuildException if an error occurs
*/
public Extension[] toExtensions( final Project project )
throws BuildException
{
final ArrayList extensions = ExtensionUtil.toExtensions( m_extensions );
ExtensionUtil.extractExtensions( project, extensions, m_extensionsFilesets );
return (Extension[])extensions.toArray( new Extension[ extensions.size() ] );
}

/**
* Makes this instance in effect a reference to another ExtensionSet
* instance.
*
* <p>You must not set another attribute or nest elements inside
* this element if you make it a reference.</p>
*
* @param reference the reference to which this instance is associated
* @exception BuildException if this instance already has been configured.
*/
public void setRefid( final Reference reference )
throws BuildException
{
if( !m_extensions.isEmpty() ||
!m_extensionsFilesets.isEmpty() )
{
throw tooManyAttributes();
}
// change this to get the objects from the other reference
final Object object =
reference.getReferencedObject( getProject() );
if( object instanceof ExtensionSet )
{
final ExtensionSet other = (ExtensionSet)object;
m_extensions.addAll( other.m_extensions );
m_extensionsFilesets.addAll( other.m_extensionsFilesets );
}
else
{
final String message =
reference.getRefId() + " doesn\'t refer to a ExtensionSet";
throw new BuildException( message );
}

super.setRefid( reference );
}

public String toString()
{
return "ExtensionSet" + Arrays.asList( toExtensions( getProject() ) );
}
}

+ 238
- 0
src/main/org/apache/tools/ant/taskdefs/optional/extension/ExtensionUtil.java View File

@@ -0,0 +1,238 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.tools.ant.taskdefs.optional.extension;

import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.jar.JarFile;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.FileSet;

/**
* A set of useful methods relating to extensions.
*
* @author <a href="mailto:peter@apache.org">Peter Donald</a>
* @version $Revision$ $Date$
*/
public class ExtensionUtil
{
/**
* Convert a list of extensionAdapter objects to extensions.
*
* @param adapters the list of ExtensionAdapterss to add to convert
* @throws BuildException if an error occurs
*/
static ArrayList toExtensions( final ArrayList adapters )
throws BuildException
{
final ArrayList results = new ArrayList();

final int size = adapters.size();
for( int i = 0; i < size; i++ )
{
final ExtensionAdapter adapter =
(ExtensionAdapter)adapters.get( i );
final Extension extension = adapter.toExtension();
results.add( extension );
}

return results;
}

/**
* Generate a list of extensions from a specified fileset.
*
* @param librarys the list to add extensions to
* @param fileset the filesets containing librarys
* @throws BuildException if an error occurs
*/
static void extractExtensions( final Project project,
final ArrayList librarys,
final ArrayList fileset )
throws BuildException
{
if( !fileset.isEmpty() )
{
final Extension[] extensions = getExtensions( project,
fileset );
for( int i = 0; i < extensions.length; i++ )
{
librarys.add( extensions[ i ] );
}
}
}

/**
* Retrieve extensions from the specified librarys.
*
* @param librarys the filesets for librarys
* @return the extensions contained in librarys
* @throws BuildException if failing to scan librarys
*/
private static Extension[] getExtensions( final Project project,
final ArrayList librarys )
throws BuildException
{
final ArrayList extensions = new ArrayList();
final Iterator iterator = librarys.iterator();
while( iterator.hasNext() )
{
final FileSet fileSet = (FileSet)iterator.next();

boolean includeImpl = true;
boolean includeURL = true;

if( fileSet instanceof LibFileSet )
{
LibFileSet libFileSet = (LibFileSet)fileSet;
includeImpl = libFileSet.isIncludeImpl();
includeURL = libFileSet.isIncludeURL();
}

final DirectoryScanner scanner = fileSet.getDirectoryScanner( project );
final File basedir = scanner.getBasedir();
final String[] files = scanner.getIncludedFiles();
for( int i = 0; i < files.length; i++ )
{
final File file = new File( basedir, files[ i ] );
loadExtensions( file, extensions, includeImpl, includeURL );
}
}
return (Extension[])extensions.toArray( new Extension[ extensions.size() ] );
}

/**
* Load list of available extensions from specified file.
*
* @param file the file
* @param extensionList the list to add available extensions to
* @throws BuildException if there is an error
*/
private static void loadExtensions( final File file,
final ArrayList extensionList,
final boolean includeImpl,
final boolean includeURL )
throws BuildException
{
try
{
final JarFile jarFile = new JarFile( file );
final Extension[] extensions =
Extension.getAvailable( jarFile.getManifest() );
for( int i = 0; i < extensions.length; i++ )
{
final Extension extension = extensions[ i ];
addExtension( extensionList, extension, includeImpl, includeURL );
}
}
catch( final Exception e )
{
throw new BuildException( e.getMessage(), e );
}
}

/**
* Add extension to list.
* If extension should not have implementation details but
* does strip them. If extension should not have url but does
* then strip it.
*
* @param extensionList the list of extensions to add to
* @param originalExtension the extension
* @param includeImpl false to exclude implementation details
* @param includeURL false to exclude implementation URL
*/
private static void addExtension( final ArrayList extensionList,
final Extension originalExtension,
final boolean includeImpl,
final boolean includeURL )
{
Extension extension = originalExtension;
if( !includeURL &&
null != extension.getImplementationURL() )
{
extension =
new Extension( extension.getExtensionName(),
extension.getSpecificationVersion().toString(),
extension.getSpecificationVendor(),
extension.getImplementationVersion().toString(),
extension.getImplementationVendor(),
extension.getImplementationVendorID(),
null );
}

final boolean hasImplAttributes =
null != extension.getImplementationURL() ||
null != extension.getImplementationVersion() ||
null != extension.getImplementationVendorID() ||
null != extension.getImplementationVendor();

if( !includeImpl && hasImplAttributes )
{
extension =
new Extension( extension.getExtensionName(),
extension.getSpecificationVersion().toString(),
extension.getSpecificationVendor(),
null,
null,
null,
extension.getImplementationURL() );
}

extensionList.add( extension );
}
}

+ 165
- 0
src/main/org/apache/tools/ant/taskdefs/optional/extension/LibFileSet.java View File

@@ -0,0 +1,165 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.tools.ant.taskdefs.optional.extension;

import org.apache.tools.ant.types.FileSet;

/**
* LibFileSet represents a fileset containing libraries.
* Asociated with the libraries is data pertaining to
* how they are to be handled when building manifests.
*
* @author <a href="mailto:peter@apache.org">Peter Donald</a>
* @version $Revision$ $Date$
*/
public class LibFileSet
extends FileSet
{
/**
* Flag indicating whether should include the
* "Implementation-URL" attribute in manifest.
* Defaults to false.
*/
private boolean m_includeURL;

/**
* Flag indicating whether should include the
* "Implementation-*" attributes in manifest.
* Defaults to false.
*/
private boolean m_includeImpl;

/**
* String that is the base URL for the librarys
* when constructing the "Implementation-URL"
* attribute. For instance setting the base to
* "http://jakarta.apache.org/avalon/libs/" and then
* including the library "excalibur-cli-1.0.jar" in the
* fileset will result in the "Implementation-URL" attribute
* being set to "http://jakarta.apache.org/avalon/libs/excalibur-cli-1.0.jar"
*
* Note this is only used if the library does not define
* "Implementation-URL" itself.
*
* Note that this also implies includeURL=true
*/
private String m_urlBase;

/**
* Flag indicating whether should include the
* "Implementation-URL" attribute in manifest.
* Defaults to false.
*
* @param includeURL the flag
* @see #m_includeURL
*/
public void setIncludeUrl( boolean includeURL )
{
m_includeURL = includeURL;
}

/**
* Flag indicating whether should include the
* "Implementation-*" attributes in manifest.
* Defaults to false.
*
* @param includeImpl the flag
* @see #m_includeImpl
*/
public void setIncludeImpl( boolean includeImpl )
{
m_includeImpl = includeImpl;
}

/**
* Set the url base for fileset.
*
* @param urlBase the base url
* @see #m_urlBase
*/
public void setUrlBase( String urlBase )
{
m_urlBase = urlBase;
}

/**
* Get the includeURL flag.
*
* @return the includeURL flag.
*/
boolean isIncludeURL()
{
return m_includeURL;
}

/**
* Get the includeImpl flag.
*
* @return the includeImpl flag.
*/
boolean isIncludeImpl()
{
return m_includeImpl;
}

/**
* Get the urlbase.
*
* @return the urlbase.
*/
String getUrlBase()
{
return m_urlBase;
}
}

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