package org.docx4j.openpackaging; import org.docx4j.openpackaging.exceptions.Docx4JException; import org.docx4j.openpackaging.parts.relationships.RelationshipsPart; import org.docx4j.relationships.Relationship; public class PackageRelsUtil { public static String getNameOfMainPart(RelationshipsPart packageRels) throws Docx4JException { // find rel of type officeDocument for (Relationship rel : packageRels.getRelationships().getRelationship() ) { if (rel.getType().equals( "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument") ) { return rel.getTarget(); } } throw new Docx4JException("No relationship of type officeDocument"); } }