private static String getMetaValue(Source source, String key) {
for (int pos = 0; pos < source.length(); ) {
StartTag startTag = source.getNextStartTag(pos, "name", key, false);
if (startTag == null) return null;
if (startTag.getName() == HTMLElementName.META)
return startTag.getAttributeValue("content"); // Attribute values are automatically decoded
pos = startTag.getEnd();
}
return null;
}
public void writeTo(final Writer writer) throws IOException {
this.writer = writer;
if (segment instanceof Source) ((Source) segment).fullSequentialParse();
nextTag = segment.source.findNextTag(segment.begin);
index = segment.begin;
writeContent(segment.end, segment.getChildElements(), 0);
writer.flush();
}
public static void main(String[] args) throws Exception {
String sourceUrlString = "data/test.html";
if (args.length == 0)
System.err.println("Using default argument of \"" + sourceUrlString + '"');
else sourceUrlString = args[0];
if (sourceUrlString.indexOf(':') == -1) sourceUrlString = "file:" + sourceUrlString;
System.out.println("\nSource URL:");
System.out.println(sourceUrlString);
URL url = new URL(sourceUrlString);
Source source = new Source(url);
System.out.println("\nDocument Title:");
Element titleElement = source.getFirstElement(HTMLElementName.TITLE);
System.out.println(titleElement != null ? titleElement.getContent().toString() : "(none)");
System.out.println("\nSource.getEncoding():");
System.out.println(source.getEncoding());
System.out.println("\nSource.getEncodingSpecificationInfo():");
System.out.println(source.getEncodingSpecificationInfo());
System.out.println("\nSource.getPreliminaryEncodingInfo():");
System.out.println(source.getPreliminaryEncodingInfo());
}
private static String getTitle(Source source) {
Element titleElement = source.getFirstElement(HTMLElementName.TITLE);
if (titleElement == null) return null;
// TITLE element never contains other tags so just decode it collapsing whitespace:
return CharacterReference.decodeCollapseWhiteSpace(titleElement.getContent());
}
public static void main(String[] args) throws Exception {
String sourceUrlString = null;
PrintWriter writer = null;
File Directory = new File("asd\\Web Pages\\HousingAndEnvironment");
if (Directory.isDirectory()) {
for (File f : Directory.listFiles()) {
sourceUrlString = Directory.getPath() + "\\" + f.getName();
if (sourceUrlString.indexOf(':') == -1) sourceUrlString = "file:" + sourceUrlString;
// reader = new BufferedReader(new FileReader(sourceUrlString));
writer = new PrintWriter("asd\\Web Pages\\HousingAndEnvironment" + f.getName() + ".txt");
Source source = new Source(new URL(sourceUrlString));
source.fullSequentialParse();
writer.print(source.getTextExtractor().setIncludeAttributes(true).toString());
writer.flush();
writer.close();
// MicrosoftConditionalCommentTagTypes.register();
// PHPTagTypes.register();
// PHPTagTypes.PHP_SHORT.deregister(); // remove PHP short tags for this example otherwise
// they override processing instructions
// MasonTagTypes.register();
// Call fullSequentialParse manually as most of the source will be parsed.
// System.out.println("Document title:");
// String title=getTitle(source);
// System.out.println(title==null ? "(none)" : title);
// System.out.println("\nDocument description:");
// String description=getMetaValue(source,"description");
// System.out.println(description==null ? "(none)" : description);
//
// System.out.println("\nDocument keywords:");
// String keywords=getMetaValue(source,"keywords");
// System.out.println(keywords==null ? "(none)" : keywords);
//
// System.out.println("\nLinks to other documents:");
// List<Element> linkElements=source.getAllElements(HTMLElementName.A);
// for (Element linkElement : linkElements) {
// String href=linkElement.getAttributeValue("href");
// if (href==null) continue;
// // A element can contain other tags so need to extract the text from it:
// String label=linkElement.getContent().getTextExtractor().toString();
// System.out.println(label+" <"+href+'>');
// }
// System.out.println("\nAll text from file (exluding content inside SCRIPT and STYLE
// elements):\n");
// System.out.println(source.getTextExtractor().setIncludeAttributes(true).toString());
// System.out.println("\nSame again but this time extend the TextExtractor class to also
// exclude text from P elements and any elements with class=\"control\":\n");
// TextExtractor textExtractor=new TextExtractor(source) {
// public boolean excludeElement(StartTag startTag) {
// return startTag.getName()==HTMLElementName.P ||
// "control".equalsIgnoreCase(startTag.getAttributeValue("class"));
// }
// };
// System.out.println(textExtractor.setIncludeAttributes(true).toString());
}
}
}
