57 lines
1.6 KiB
Java
57 lines
1.6 KiB
Java
package eu.dnetlib.data.utility.cleaner;
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import eu.dnetlib.data.utility.cleaner.rmi.CleanerException;
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import groovy.lang.Closure;
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import groovy.lang.GroovyShell;
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import java.util.Map;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* @author michele
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*
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* Groovy rules must be declared in a CleanerDS profile, some examples:
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*
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* <RULE xpath="..." groovy="(input =~ /X/).replaceAll('Y')" /> <RULE xpath="..." groovy="'CONSTANT'" /> <RULE xpath="..."
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* groovy="input.toUpperCase()" />
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*/
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public class GroovyRule extends XPATHCleaningRule {
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private static final Log log = LogFactory.getLog(GroovyRule.class); // NOPMD by marko on 11/24/08 5:02 PM
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private String groovyRule;
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private Closure<String> closure;
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private GroovyShell groovyShell = new GroovyShell();
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@SuppressWarnings("unchecked")
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public GroovyRule(final String groovyRule) {
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this.groovyRule = groovyRule;
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this.closure = (Closure<String>) groovyShell.evaluate("{ input -> " + groovyRule + "}");
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}
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@Override
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protected String calculateNewValue(final String oldValue) throws CleanerException {
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try {
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log.info("Executing groovy closure on value " + oldValue);
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return closure.call(oldValue);
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} catch (Exception e) {
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log.error("Failed Groovy execution, groovyRule: " + groovyRule + ", input: " + oldValue, e);
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throw new CleanerException("Error executing groovy", e);
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}
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}
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@Override
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protected Map<String, String> verifyValue(final String value) throws CleanerException {
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return null;
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}
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@Override
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public String toString() {
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return "GROOVY: " + groovyRule;
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}
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}
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