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package org.hisp.dhis.validationrule.action;
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* Copyright (c) 2004-2007, University of Oslo
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the HISP project nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import java.io.BufferedInputStream;
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import java.io.InputStream;
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import java.io.PipedInputStream;
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import java.io.PipedOutputStream;
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import java.util.Collection;
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import org.hisp.dhis.i18n.I18n;
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import org.hisp.dhis.i18n.I18nFormat;
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import org.hisp.dhis.util.SessionUtils;
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import org.hisp.dhis.validation.ValidationResult;
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import org.hisp.dhis.validationrule.util.OutputGeneratorPipeThread;
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import org.hisp.dhis.validationrule.util.ValidationResultWorkbookGenerator;
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import com.opensymphony.xwork.Action;
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* @author Lars Helge Overland
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public class GenerateValidationResultWorkbookAction
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private static final String KEY_VALIDATIONRESULT = "validationResult";
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// -------------------------------------------------------------------------
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// -------------------------------------------------------------------------
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private I18nFormat format;
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public void setFormat( I18nFormat format )
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public void setI18n( I18n i18n )
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// -------------------------------------------------------------------------
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// -------------------------------------------------------------------------
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private InputStream inputStream;
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public InputStream getInputStream()
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// -------------------------------------------------------------------------
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// Action implementation
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// -------------------------------------------------------------------------
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@SuppressWarnings( "unchecked" )
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public String execute()
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Collection<ValidationResult> results = (Collection<ValidationResult>) SessionUtils.
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getSessionVar( KEY_VALIDATIONRESULT );
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if ( results != null )
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// -----------------------------------------------------------------
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// Pipes are input/output pairs. Data written on the output stream
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// shows up on the input stream at the other end of the pipe.
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// -----------------------------------------------------------------
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PipedOutputStream out = new PipedOutputStream();
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PipedInputStream in = new PipedInputStream( out );
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OutputGeneratorPipeThread thread = new OutputGeneratorPipeThread();
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thread.setValidationResults( results );
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thread.setOutputStream( out );
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thread.setI18n( i18n );
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thread.setFormat( format );
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thread.setOutputGenerator( new ValidationResultWorkbookGenerator() );
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inputStream = new BufferedInputStream( in );