TextStructureReader.java
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package ipipan.clarin.tei.impl.io.read;
import ipipan.clarin.tei.api.entities.EntitiesFactory;
import ipipan.clarin.tei.api.entities.TEIParagraph;
import ipipan.clarin.tei.api.entities.TEIParagraph.ParagraphType;
import ipipan.clarin.tei.api.exceptions.TEIException;
import java.util.ArrayList;
import java.util.List;
import javax.xml.stream.XMLStreamException;
/**
*
* @author mlenart
*/
class TextStructureReader {
private final EntitiesFactory ef = EntitiesFactory.getInstance();
private final InWrapper in;
TextStructureReader(InWrapper in) {
// logger.info("new");
this.in = in;
}
public boolean hasNextParagraph() throws TEIException {
try {
while (!(in.isEnd() && in.getName().equals("body"))
&& !in.isStartParagraph()) {
in.next();
}
return in.isStartParagraph();
} catch (XMLStreamException ex) {
throw new TEIException("Error in text layer: " + ex.getMessage(),
ex);
}
}
public TEIParagraph getNextParagraph() throws XMLStreamException,
TEIException {
try {
if (!hasNextParagraph()) {
in.fail("new paragraph");
}
String id = in.getXmlId();
// logger.debug("paragraph id="+id);
ParagraphType type = ParagraphType.valueOf(in.getName()
.toUpperCase());
String n = in.getAttr("n");
String text = "";
List<TEIParagraph> subparagraphs = new ArrayList<TEIParagraph>();
in.next();
while (true) {
if (in.isCharacters() || in.isStart("hi")) {
text = readAllText();
assert (in.isEnd());
return ef.createParagraph(id, type, n, text);
} else if (in.isStartParagraph()) {
while (in.isStartParagraph()) {
subparagraphs.add(getNextParagraph());
in.nextTag();
// logger.info("PARAGRAPH: "+subparagraphs.get(subparagraphs.size()-1).getId());
}
if (in.isStart()) {
in.readUntilEnd();
in.nextTag();
}
in.requireEnd();
return ef.createParagraph(id, type, subparagraphs);
}
// else if (in.isStart("hi")) {
// readAllText();
// }
else if (in.isStart()) {
in.readUntilEnd();
} else {
in.fail("paragraph text, subparagraph start or <header> tag");
}
in.nextTag();
}
} catch (XMLStreamException ex) {
throw new TEIException("Error in text layer: " + ex.getMessage(),
ex);
} catch (TEIException ex) {
throw new TEIException("Error in text layer: " + ex.getMessage(),
ex);
}
}
public void close() throws TEIException {
try {
in.close();
} catch (XMLStreamException ex) {
throw new TEIException(ex);
}
}
private String readAllText() throws XMLStreamException {
StringBuilder sb = new StringBuilder();
while (!in.isEnd()) {
if (in.isCharacters()) {
String text = in.getText();
sb.append(text);
in.next();
} else if (in.isStart("hi")) {
// in.readUntilEnd();
in.next();
// while (lastCol < in.getLocation().getColumnNumber() - 1) {
// sb.append(" ");
// lastCol++;
// }
if (in.isCharacters()) {
sb.append(in.getText());
in.next();
}
in.requireEnd();
// while (lastCol < in.getLocation().getColumnNumber() - 1) {
// sb.append(" ");
// lastCol++;
// }
in.next();
// sb.append(readAllText());
} else if (in.isStart()) {
in.readUntilEnd();
in.next();
}
}
return sb.toString();
}
}