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Revision 55930

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modules/dnet-modular-collector-service/trunk/src/main/java/eu/dnetlib/data/collector/plugins/oai/engine/XmlCleaner.java
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import java.util.Set;
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import java.util.regex.Pattern;
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import org.apache.commons.lang3.StringUtils;
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/**
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 * @author jochen, Andreas Czerniak
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 *
......
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	 * @return the string with entities appropriately fixed up
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	 */
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	static public String cleanAllEntities(final String broken) {
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		if (broken == null) {
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		if (StringUtils.isBlank(broken)) {
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			return null;
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		}
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