[英]I can't capture the console output from Java in FOP process and all my process it doesn't work
我正在使用Eclipse + Java。 我有一種從控制台執行指令的方法。 從互聯網復制並粘貼...
public void viewPDF(String cmd){
try {
Process p = Runtime.getRuntime().exec( cmd);
BufferedReader in = new BufferedReader(
new InputStreamReader(p.getInputStream()));
String line = null;
while ((line = in.readLine()) != null) {
System.out.println(line);
}
} catch (IOException e) {
e.printStackTrace();
}
}
如果我在控制台cmd中執行此代碼,則一切正常。
C:\fop-0.93\fop -xml C:\document.xml -xsl C:\document.xsl -pdf C:\document.pdf -d
但是,如果我嘗試從java方法執行,它將無法正常工作,因為我無法捕獲控制台輸出。
控制台正在等待,最后我需要按紅色按鈕停止...
有人可以捕獲控制台輸出嗎? 使用其他進程,我可以(.bat,讀取文件等),但是捕獲fop輸出是不可能的。
PD:對不起,我的英語... :(
謝謝!!!
最后,我制作了一個創建pdf的Java程序,而不是從控制台運行fop並捕獲其輸出。
這篇文章中的某人:
FopFactory.newInstance()時出現Fop異常
說
FWIW,FOP只是一個Java庫。 您不想將其作為外部進程執行,只需使用STI API。 例如,請參見code.google.com/p/fop-maven-plugin/source/browse / ...了解如何實現此目的的示例。 -陀螺儀無齒輪8月30日21:27
這是我創建的“啟發”類:D其他:
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.stream.StreamSource;
import org.apache.fop.apps.FOPException;
import org.apache.fop.apps.FOUserAgent;
import org.apache.fop.apps.Fop;
import org.apache.fop.apps.FopFactory;
import org.apache.fop.apps.MimeConstants;
public class ConstructorFOP {
private InputStream inputStream;
public void xmlToPdf(String RUTA_XML, String RUTA_XSL, String RUTA_PDF) {
try {
System.out.println("Preparing...");
// Setup directories
File baseDir = new File("C:");
File outDir = new File(baseDir, "out");
outDir.mkdirs();
File xmlfile = new File(RUTA_XML);
File xsltfile = new File(RUTA_XSL);
File pdffile = new File(RUTA_PDF);
System.out.println("Input XML : " + xmlfile);
System.out.println("Input XSL : " + xsltfile);
System.out.println("OutputPDF : " + pdffile);
System.out.println("");
System.out.println("Transforming...");
// configure fopFactory as desired
final FopFactory fopFactory = FopFactory.newInstance();
FOUserAgent foUserAgent = fopFactory.newFOUserAgent();
// configure foUserAgent as desired
ByteArrayOutputStream out = new ByteArrayOutputStream();
TransformerFactory tFactory = TransformerFactory.newInstance();
Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, foUserAgent, out);
// Setup input
Source src = new StreamSource(xmlfile);
// Setup Transformer
Source xsltSrc = new StreamSource(xsltfile);
Transformer transformer = tFactory.newTransformer(xsltSrc);
// Make sure the XSL transformation's result is piped through to FOP
Result res = new SAXResult(fop.getDefaultHandler());
transformer.transform(src, res);
ByteArrayOutputStream baos = out;
inputStream = new ByteArrayInputStream(baos.toByteArray());
InputStreamAFile(pdffile, inputStream);
} catch (FOPException e) {
System.out.println("ERROR DOC 3");
e.printStackTrace();
} catch (TransformerConfigurationException e) {
System.out.println("ERROR DOC 4");
e.printStackTrace();
} catch (TransformerFactoryConfigurationError e) {
System.out.println("ERROR DOC 5");
e.printStackTrace();
} catch (TransformerException e) {
System.out.println("ERROR DOC 6");
e.printStackTrace();
}
}
public void InputStreamAFile(File pdffile, InputStream entrada) {
try {
OutputStream salida = new FileOutputStream(pdffile);
byte[] buf = new byte[1024];// Actualizado me olvide del 1024
int len;
while ((len = entrada.read(buf)) > 0) {
salida.write(buf, 0, len);
}
salida.close();
entrada.close();
System.out.println("Se realizo la conversion con exito");
} catch (FileNotFoundException e) {
System.out.println("ERROR DOC 1");
e.printStackTrace();
} catch (IOException e) {
System.out.println("ERROR DOC 2");
e.printStackTrace();
}
}
}
謝謝!!!
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.