本文整理汇总了Java中com.itextpdf.text.pdf.parser.TextExtractionStrategy类的典型用法代码示例。如果您正苦于以下问题：Java TextExtractionStrategy类的具体用法？Java TextExtractionStrategy怎么用？Java TextExtractionStrategy使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
TextExtractionStrategy类属于com.itextpdf.text.pdf.parser包，在下文中一共展示了TextExtractionStrategy类的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getPdfContent
import com.itextpdf.text.pdf.parser.TextExtractionStrategy; //导入依赖的package包/类
private String getPdfContent(String pdfFile) {
try {
PdfReader reader = new PdfReader(pdfFile);
StringBuffer sb = new StringBuffer();
PdfReaderContentParser parser = new PdfReaderContentParser(reader);
TextExtractionStrategy strategy;
for (int i = 1; i <= reader.getNumberOfPages(); i++) {
strategy = parser.processContent(i, new SimpleTextExtractionStrategy());
sb.append(strategy.getResultantText());
}
reader.close();
return sb.toString();
} catch (IOException e) {
throw new IllegalArgumentException("Not able to read file " + pdfFile, e);
}
}
示例2: extractAndStore
import com.itextpdf.text.pdf.parser.TextExtractionStrategy; //导入依赖的package包/类
<E extends TextExtractionStrategy> String extractAndStore(PdfReader reader, String format, Class<E> strategyClass, RenderFilter... filters) throws Exception
{
StringBuilder builder = new StringBuilder();
for (int page = 1; page <= reader.getNumberOfPages(); page++)
{
TextExtractionStrategy strategy = strategyClass.getConstructor().newInstance();
if (filters != null && filters.length > 0)
{
strategy = new FilteredTextRenderListener(strategy, filters);
}
String pageText = extract(reader, page, strategy);
Files.write(Paths.get(String.format(format, page)), pageText.getBytes("UTF8"));
if (page > 1)
builder.append("\n\n");
builder.append(pageText);
}
return builder.toString();
}
示例3: extractsPdfLines
import com.itextpdf.text.pdf.parser.TextExtractionStrategy; //导入依赖的package包/类
public static String[] extractsPdfLines(String PdfFile) throws IOException {
try {
StringBuffer buff = new StringBuffer();
String ExtractedText = null;
PdfReader reader = new PdfReader(PdfFile);
PdfReaderContentParser parser = new PdfReaderContentParser(reader);
TextExtractionStrategy strategy;
for (int i = 1; i <= reader.getNumberOfPages(); i++) {
strategy = parser.processContent(i, new SimpleTextExtractionStrategy());
ExtractedText = strategy.getResultantText().toString();
buff.append(ExtractedText + "\n");
}
String[] LinesArray;
LinesArray = buff.toString().split("\n");
reader.close();
return LinesArray;
} catch (Exception e) {
return null;
}
}
示例4: getTextChunks
import com.itextpdf.text.pdf.parser.TextExtractionStrategy; //导入依赖的package包/类
private static List<LocationTextExtractionStrategy.TextChunk> getTextChunks() throws IOException {
PdfReader reader = new PdfReader(RESOURCES_DIR + "KLEE.pdf");
PdfReaderContentParser parser = new PdfReaderContentParser(reader);
PrintWriter out = new PrintWriter(new FileOutputStream(RESOURCES_DIR + "extracted text"));
TextExtractionStrategy strategy;
for (int i = 1; i <= reader.getNumberOfPages(); i++) {
strategy
= parser.processContent(i, new LocationTextExtractionStrategy());
out.println(strategy.getResultantText());
}
out.flush();
out.close();
return null;
}
示例5: open
import com.itextpdf.text.pdf.parser.TextExtractionStrategy; //导入依赖的package包/类
@Override
public BookReadingResult open(@NonNull File file, @NonNull PercentSender percentSender, @NonNull Runnable readingEndSender) {
try {
PdfReader pdfReader = new PdfReader(file.getAbsolutePath());
PdfReaderContentParser parser = new PdfReaderContentParser(pdfReader);
int numberOfPages = pdfReader.getNumberOfPages();
int oldPercent = 0, newPercent;
StringBuffer stringBuffer = new StringBuffer();
for (int i = 1; i <= pdfReader.getNumberOfPages(); i++) {
TextExtractionStrategy strategy = parser.processContent(i, new SimpleTextExtractionStrategy());
String pageText = strategy.getResultantText();
stringBuffer.append(pageText);
if (pageText.endsWith("\\.") ||
pageText.endsWith("!") ||
pageText.endsWith("?") ||
pageText.endsWith(":")) {
stringBuffer.append(" ");
} else {
stringBuffer.append(". ");
}
newPercent = 100 * i / numberOfPages;
if (newPercent != oldPercent) {
percentSender.refreshPercents(oldPercent, newPercent);
oldPercent = newPercent;
}
}
pdfReader.close();
String resultText = new String(stringBuffer);
resultText = resultText.trim(); // delete first and last space (if exist)
resultText = resultText.replaceAll("\\s+", " "); // delete all duplicate white spaces
resultText = resultText.replaceAll("(\\.)+", "\\."); // delete all duplicate dots
if (resultText.length() < 1) {
return null;
}
readingEndSender.run();
return new BookReadingResult(resultText, InternalStorageFileHelper.fileNameWithoutExtension(file), "");
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
示例6: RemappingExtractionFilter
import com.itextpdf.text.pdf.parser.TextExtractionStrategy; //导入依赖的package包/类
public RemappingExtractionFilter(TextExtractionStrategy strategy) throws NoSuchFieldException, SecurityException
{
this.strategy = strategy;
this.stringField = TextRenderInfo.class.getDeclaredField("text");
this.stringField.setAccessible(true);
}
示例7: extract
import com.itextpdf.text.pdf.parser.TextExtractionStrategy; //导入依赖的package包/类
String extract(PdfReader reader, int pageNo, TextExtractionStrategy strategy) throws IOException
{
return PdfTextExtractor.getTextFromPage(reader, pageNo, strategy);
}
示例8: extractRemapped
import com.itextpdf.text.pdf.parser.TextExtractionStrategy; //导入依赖的package包/类
String extractRemapped(PdfReader reader, int pageNo) throws IOException, NoSuchFieldException, SecurityException
{
TextExtractionStrategy strategy = new RemappingExtractionFilter(new LocationTextExtractionStrategy());
return PdfTextExtractor.getTextFromPage(reader, pageNo, strategy);
}
示例9: searchforStringinPdfFiles
import com.itextpdf.text.pdf.parser.TextExtractionStrategy; //导入依赖的package包/类
public static void searchforStringinPdfFiles(File file) throws IOException {
outputfile.println("<Dateiname>" + (file.getName()) + "</Dateiname>");
int trefferinDatei;
if (filetools.pdf.PdfAnalysis.testPdfOk(file)) {
try {
PdfReader reader = new PdfReader(file.toString());
int pagesPdf = reader.getNumberOfPages();
StringBuffer buff = new StringBuffer();
String ExtractedText = null;
PdfReaderContentParser parser = new PdfReaderContentParser(reader);
TextExtractionStrategy strategy;
trefferinDatei = 0;
for (int i = 1; i <= pagesPdf; i++) {
strategy = parser.processContent(i, new SimpleTextExtractionStrategy());
ExtractedText = strategy.getResultantText().toString();
buff.append(ExtractedText + "\n");
String[] LinesArray = buff.toString().split("\n");
int linesPdf = LinesArray.length;
for (int j = 0; (j < linesPdf && (stringfound < MAXIMAL_HITS)); j++) {
String paragraph = LinesArray[j].toLowerCase();
String searchStringlowerCase = searchedString.toLowerCase();
if (paragraph.contains(searchStringlowerCase)) {
trefferinDatei++;
stringfound++;
outputfile.println("<Seitenzahl>" + i + "</Seitenzahl>");
outputfile.println("<GanzeZeile>" + (LinesArray[j]) + "</GanzeZeile>");
}
}
}
outputfile.println("<TextinDatei>" + trefferinDatei + "</TextinDatei>");
outputfile.println("<Suchergebnis>" + trefferinDatei + " x " + "</Suchergebnis>");
reader.close();
} catch (Exception e) {
outputfile.println("<Fehlermeldung>" + e + "</Fehlermeldung>");
}
}
}