| 1 | package dolda.jsvc.next; |
| 2 | |
| 3 | import org.w3c.dom.*; |
| 4 | import org.w3c.dom.bootstrap.*; |
| 5 | import org.w3c.dom.ls.*; |
| 6 | import javax.xml.validation.*; |
| 7 | import java.io.*; |
| 8 | |
| 9 | public class DomUtil { |
| 10 | private static final DOMImplementation domimp; |
| 11 | private static final SchemaFactory xsdfac; |
| 12 | |
| 13 | static { |
| 14 | xsdfac = SchemaFactory.newInstance(javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI); |
| 15 | xsdfac.setResourceResolver(new LSResourceResolver() { |
| 16 | public LSInput resolveResource(String type, String ns, String pubid, String sysid, String base) { |
| 17 | if(sysid.indexOf('/') >= 0) { |
| 18 | InputStream in = getcatalog(sysid.substring(sysid.lastIndexOf('/') + 1)); |
| 19 | if(in != null) { |
| 20 | LSInput ret = new LSInputAdapter(pubid, sysid, base); |
| 21 | ret.setByteStream(in); |
| 22 | ret.setEncoding("us-ascii"); |
| 23 | return(ret); |
| 24 | } |
| 25 | } |
| 26 | throw(new RuntimeException(String.format("Will not load external resources (for %s); please fix catalog.", sysid))); |
| 27 | } |
| 28 | }); |
| 29 | } |
| 30 | |
| 31 | static { |
| 32 | DOMImplementationRegistry reg; |
| 33 | try { |
| 34 | reg = DOMImplementationRegistry.newInstance(); |
| 35 | } catch(Exception e) { |
| 36 | throw(new Error(e)); |
| 37 | } |
| 38 | DOMImplementation di = reg.getDOMImplementation(""); |
| 39 | if(di == null) |
| 40 | throw(new RuntimeException("Could not get a DOM implemenation")); |
| 41 | domimp = di; |
| 42 | } |
| 43 | |
| 44 | public static Document document(String ns, String root, String doctype, String pubid, String sysid) { |
| 45 | if(doctype == null) |
| 46 | return(domimp.createDocument(ns, root, null)); |
| 47 | else |
| 48 | return(domimp.createDocument(ns, root, domimp.createDocumentType(doctype, pubid, sysid))); |
| 49 | } |
| 50 | |
| 51 | public static Document document(String ns, String root) { |
| 52 | return(document(ns, root, null, null, null)); |
| 53 | } |
| 54 | |
| 55 | public static Element insertel(Node p, String nm) { |
| 56 | Document doc; |
| 57 | if(p instanceof Document) |
| 58 | doc = (Document)p; |
| 59 | else |
| 60 | doc = p.getOwnerDocument(); |
| 61 | Element el = doc.createElementNS(p.getNamespaceURI(), nm); |
| 62 | p.appendChild(el); |
| 63 | return(el); |
| 64 | } |
| 65 | |
| 66 | public static Text inserttext(Node p, String text) { |
| 67 | Document doc; |
| 68 | if(p instanceof Document) |
| 69 | doc = (Document)p; |
| 70 | else |
| 71 | doc = p.getOwnerDocument(); |
| 72 | Text t = doc.createTextNode(text); |
| 73 | p.appendChild(t); |
| 74 | return(t); |
| 75 | } |
| 76 | |
| 77 | public static class LSInputAdapter implements LSInput { |
| 78 | private String pubid, sysid, baseuri, encoding = null, data = null; |
| 79 | private boolean cert = false; |
| 80 | private InputStream bs = null; |
| 81 | private Reader cs = null; |
| 82 | |
| 83 | public LSInputAdapter(String pubid, String sysid, String baseuri) { |
| 84 | this.pubid = pubid; |
| 85 | this.sysid = sysid; |
| 86 | this.baseuri = baseuri; |
| 87 | } |
| 88 | |
| 89 | public String getBaseURI() {return(baseuri);} |
| 90 | public String getPublicId() {return(pubid);} |
| 91 | public String getSystemId() {return(sysid);} |
| 92 | public void setBaseURI(String baseuri) {this.baseuri = baseuri;} |
| 93 | public void setPublicId(String pubid) {this.pubid = pubid;} |
| 94 | public void setSystemId(String sysid) {this.sysid = sysid;} |
| 95 | |
| 96 | public InputStream getByteStream() {return(bs);} |
| 97 | public boolean getCertifiedText() {return(cert);} |
| 98 | public Reader getCharacterStream() {return(cs);} |
| 99 | public String getEncoding() {return(encoding);} |
| 100 | public String getStringData() {return(data);} |
| 101 | public void setByteStream(InputStream bs) {this.bs = bs;} |
| 102 | public void setCertifiedText(boolean cert) {this.cert = cert;} |
| 103 | public void setCharacterStream(Reader cs) {this.cs = cs;} |
| 104 | public void setEncoding(String encoding) {this.encoding = encoding;} |
| 105 | public void setStringData(String data) {this.data = data;} |
| 106 | } |
| 107 | |
| 108 | private static InputStream getcatalog(String name) { |
| 109 | if(name.indexOf('/') >= 0) |
| 110 | throw(new RuntimeException("Illegal catalog resource name `" + name + "'")); |
| 111 | return(DomUtil.class.getResourceAsStream("catalog/" + name)); |
| 112 | } |
| 113 | |
| 114 | public static Schema loadxsd(String name) { |
| 115 | InputStream in = getcatalog(name); |
| 116 | if(in == null) |
| 117 | throw(new RuntimeException("Could not find schema `" + name + "'")); |
| 118 | try { |
| 119 | return(xsdfac.newSchema(new javax.xml.transform.stream.StreamSource(in))); |
| 120 | } catch(org.xml.sax.SAXException e) { |
| 121 | throw(new RuntimeException(e)); |
| 122 | } |
| 123 | } |
| 124 | } |