このリンクをご覧ください。役立つと思います。とにかく、リンクが壊れている場合に備えて、そこからコードをコピーしています...
package printtextlocations;
import java.io.File;
import java.io.IOException;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.pdfbox.exceptions.InvalidPasswordException;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.common.PDStream;
import org.apache.pdfbox.util.PDFTextStripper;
import org.apache.pdfbox.util.TextPosition;
public class PrintTextLocations extends PDFTextStripper {
public static StringBuilder tWord = new StringBuilder();
public static String seek;
public static String[] seekA;
public static List wordList = new ArrayList();
public static boolean is1stChar = true;
public static boolean lineMatch;
public static int pageNo = 1;
public static double lastYVal;
public PrintTextLocations()
throws IOException {
super.setSortByPosition(true);
}
public static void main(String[] args)
throws Exception {
PDDocument document = null;
seekA = args[1].split(",");
seek = args[1];
try {
File input = new File(args[0]);
document = PDDocument.load(input);
if (document.isEncrypted()) {
try {
document.decrypt("");
} catch (InvalidPasswordException e) {
System.err.println("Error: Document is encrypted with a password.");
System.exit(1);
}
}
PrintTextLocations printer = new PrintTextLocations();
List allPages = document.getDocumentCatalog().getAllPages();
for (int i = 0; i < allPages.size(); i++) {
PDPage page = (PDPage) allPages.get(i);
PDStream contents = page.getContents();
if (contents != null) {
printer.processStream(page, page.findResources(), page.getContents().getStream());
}
pageNo += 1;
}
} finally {
if (document != null) {
System.out.println(wordList);
document.close();
}
}
}
@Override
protected void processTextPosition(TextPosition text) {
String tChar = text.getCharacter();
System.out.println("String[" + text.getXDirAdj() + ","
+ text.getYDirAdj() + " fs=" + text.getFontSize() + " xscale="
+ text.getXScale() + " height=" + text.getHeightDir() + " space="
+ text.getWidthOfSpace() + " width="
+ text.getWidthDirAdj() + "]" + text.getCharacter());
String REGEX = "[,.\\[\\](:;!?)/]";
char c = tChar.charAt(0);
lineMatch = matchCharLine(text);
if ((!tChar.matches(REGEX)) && (!Character.isWhitespace(c))) {
if ((!is1stChar) && (lineMatch == true)) {
appendChar(tChar);
} else if (is1stChar == true) {
setWordCoord(text, tChar);
}
} else {
endWord();
}
}
protected void appendChar(String tChar) {
tWord.append(tChar);
is1stChar = false;
}
protected void setWordCoord(TextPosition text, String tChar) {
tWord.append("(").append(pageNo).append(")[").append(roundVal(Float.valueOf(text.getXDirAdj()))).append(" : ").append(roundVal(Float.valueOf(text.getYDirAdj()))).append("] ").append(tChar);
is1stChar = false;
}
protected void endWord() {
String newWord = tWord.toString().replaceAll("[^\\x00-\\x7F]", "");
String sWord = newWord.substring(newWord.lastIndexOf(' ') + 1);
if (!"".equals(sWord)) {
if (Arrays.asList(seekA).contains(sWord)) {
wordList.add(newWord);
} else if ("SHOWMETHEMONEY".equals(seek)) {
wordList.add(newWord);
}
}
tWord.delete(0, tWord.length());
is1stChar = true;
}
protected boolean matchCharLine(TextPosition text) {
Double yVal = roundVal(Float.valueOf(text.getYDirAdj()));
if (yVal.doubleValue() == lastYVal) {
return true;
}
lastYVal = yVal.doubleValue();
endWord();
return false;
}
protected Double roundVal(Float yVal) {
DecimalFormat rounded = new DecimalFormat("0.0'0'");
Double yValDub = new Double(rounded.format(yVal));
return yValDub;
}
}