com.jayway.maven.plugins.android.phase01generatesources.ConflictingLayoutDetector Maven / Gradle / Ivy

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Maven Plugin for Android Development

There is a newer version: 4.0.0-rc.2

package com.jayway.maven.plugins.android.phase01generatesources;

import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;

/**
 * Looks for duplicate layout files across Android resource packages.
 */
final class ConflictingLayoutDetector
{
    private Map> map = new HashMap>();

    public void addLayoutFiles( String packageName, String[] layoutFiles )
    {
        map.put( packageName, Arrays.asList( layoutFiles ) );
    }

    public Collection getConflictingLayouts()
    {
        final Map result = new TreeMap();
        for ( final String entryA : map.keySet() )
        {
            for ( final String entryB : map.keySet() )
            {
                if ( entryA.equals( entryB ) )
                {
                    continue;
                }

                // Find any layout files that are in both packages.
                final Set tmp = new HashSet();
                tmp.addAll( map.get( entryA ) );
                tmp.retainAll( map.get( entryB ) );

                for ( final String layoutFile : tmp )
                {
                    if ( !result.containsKey( layoutFile ) )
                    {
                        result.put( layoutFile, new ConflictingLayout( layoutFile ) );
                    }
                    final ConflictingLayout layout = result.get( layoutFile );
                    layout.addPackageName( entryA );
                    layout.addPackageName( entryB );
                }
            }
        }

        return result.values();
    }
}