public boolean shouldParseEmbedded(Metadata metadata) {
            String relID = metadata.get(TikaCoreProperties.EMBEDDED_RELATIONSHIP_ID);
            if (relID != null) {
                allRelIDs.add(relID);
            }
            return false;
        }
Test case for parsing zip files.
tika-parsers/tika-parsers-standard/tika-parsers-standard-package/src/test/java/org/apache/tika/parser/pkg/ZipParserTest.java