/* * #%L * SCIFIO library for reading and converting scientific file formats. * %% * Copyright (C) 2011 - 2020 SCIFIO developers. * %% * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * #L% */ package io.scif.xml; import java.util.HashMap; import java.util.Map; import org.scijava.log.LogService; import org.scijava.log.StderrLogService; import org.xml.sax.Attributes; /** * Used to retrieve key/value pairs from XML. * * @author Curtis Rueden * @author Chris Allan * @author Melissa Linkert */ class MetadataHandler extends BaseHandler { private String currentQName; private final HashMap<String, String> metadata = new HashMap<>(); public MetadataHandler() { this(new StderrLogService()); } public MetadataHandler(final LogService log) { super(log); } // -- MetadataHandler API methods -- public Map<String, String> getMetadata() { return metadata; } // -- DefaultHandler API methods -- @Override public void characters(final char[] data, final int start, final int len) { metadata.put(currentQName, new String(data, start, len)); } @Override public void startElement(final String uri, final String localName, final String qName, final Attributes attributes) { if (attributes.getLength() == 0) currentQName += " - " + qName; else currentQName = qName; for (int i = 0; i < attributes.getLength(); i++) { metadata.put(qName + " - " + attributes.getQName(i), attributes.getValue( i)); } } }