/* * #%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.StringTokenizer; import org.scijava.log.LogService; import org.xml.sax.Attributes; /** * Used by validateXML to parse the XML block's schema path using SAX. * * * @author Curtis Rueden * @author Chris Allan * @author Melissa Linkert */ /** */ public class ValidationSAXHandler extends BaseHandler { private String schemaPath; private boolean first; public ValidationSAXHandler(final LogService log) { super(log); } public String getSchemaPath() { return schemaPath; } @Override public void startDocument() { schemaPath = null; first = true; } @Override public void startElement(final String uri, final String localName, final String qName, final Attributes attributes) { if (!first) return; first = false; final int len = attributes.getLength(); String xmlns = null, xsiSchemaLocation = null; for (int i = 0; i < len; i++) { final String name = attributes.getQName(i); if (name.equals("xmlns")) xmlns = attributes.getValue(i); else if (name.equals("schemaLocation") || name.endsWith( ":schemaLocation")) { xsiSchemaLocation = attributes.getValue(i); } } if (xmlns == null || xsiSchemaLocation == null) return; // not found final StringTokenizer st = new StringTokenizer(xsiSchemaLocation); while (st.hasMoreTokens()) { final String token = st.nextToken(); if (xmlns.equals(token)) { // next token is the actual schema path if (st.hasMoreTokens()) schemaPath = st.nextToken(); break; } } } }