alfresco-community-repo/config/alfresco/extension/ghostscript-pdf-rendering-context.xml.sample

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

<!-- =============================================== -->
<!--            GhostScript PDF Rendering            -->
<!--                                                 -->
<!-- Uses GhostScript [http://www.ghostscript.com/]  -->
<!-- to transform PDF files into images (PNG), as    -->
<!-- an alternative to the built in JVM support      -->
<!-- To fully enable this, you will probably have to -->
<!-- alter some of the complex transformer           -->
<!-- definitions in content-services-context.xml     -->
<!-- =============================================== -->

<beans>
  <!-- Content Transformations -->

  <!-- Generic GS transformation worker -->
  <bean id="transformer.worker.ghostscript" class="org.alfresco.repo.content.transform.RuntimeExecutableContentTransformerWorker">
    <property name="checkCommand">
      <bean class="org.alfresco.util.exec.RuntimeExec">
        <property name="command">
          <list>
            <value>${gs.exe}</value>
            <value>-version</value>
          </list>
        </property>
        <property name="errorCodes">
          <value>127</value>
        </property>
      </bean>
    </property>
    <property name="transformCommand">
      <bean class="org.alfresco.util.exec.RuntimeExec">
        <property name="commandsAndArguments">
          <map>
            <entry key="Windows.*">
              <list>
                <value>cmd</value>
                <value>/C</value>
                <value>${gs.exe} -dNOPAUSE -dSAFER -dBATCH -sDEVICE=png16m -dFirstPage=1 -dLastPage=1 ${resolution_opts} ${antialias_opts} "-sOutputFile=${target}" "${source}" 2&gt; NUL</value>
              </list>
            </entry>
            <entry key="Linux">
              <list>
                <value>sh</value>
                <value>-c</value>
                <value>${gs.exe} -dNOPAUSE -dSAFER -dBATCH -sDEVICE=png16m -dFirstPage=1 -dLastPage=1 ${resolution_opts} ${antialias_opts} "-sOutputFile=${target}" "${source}" 2&gt; /dev/null</value>
              </list>
            </entry>
            <entry key="Mac OS X">
              <list>
                <value>sh</value>
                <value>-c</value>
                <value>${gs.exe} -dNOPAUSE -dSAFER -dBATCH -sDEVICE=png16m -dFirstPage=1 -dLastPage=1 ${resolution_opts} ${antialias_opts} "-sOutputFile=${target}" "${source}" 2&gt; /dev/null</value>
              </list>
            </entry>
          </map>
        </property>
        <property name="waitForCompletion">
          <value>true</value>
        </property>
        <property name="defaultProperties">
          <props>
            <prop key="resolution_opts">-r72</prop>
            <prop key="antialias_opts">-dTextAlphaBits=4 -dGraphicsAlphaBits=4</prop>
          </props>
        </property>
      </bean>
    </property>

    <property name="explicitTransformations">
      <list>
        <!-- Transform PDF to PNG -->
        <bean class="org.alfresco.repo.content.transform.ExplictTransformationDetails">
          <property name="sourceMimetype">
            <value>application/pdf</value>
          </property>
          <property name="targetMimetype">
            <value>image/png</value>
          </property>
        </bean>
      </list>
    </property>
    <property name="mimetypeService">
      <ref bean="mimetypeService"/>
    </property>
  </bean>

  <bean id="transformer.ghostscript" class="org.alfresco.repo.content.transform.ProxyContentTransformer" parent="baseContentTransformer">
    <property name="worker">
      <ref bean="transformer.worker.ghostscript" />
    </property>
  </bean>
</beans>