Fop例外FopFactory

Fop例外FopFactory

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Fop例外FopFactory.newInstance（）

本文介绍了Fop例外FopFactory.newInstance（）的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我正在使用struts 2，我正在尝试使用fop从xml和xsl创建一个pdf文件。我在这个url的基础上开发我的代码和



这是我的代码，我正在尝试使用两种不同的方式

  public class JspToPdfTest extends ActionSupport {
 
 private InputStream inputStream; 
 private Xml2PdfManager xml2PdfManager; 
 
 public InputStream getInputStream（）{
 return inputStream; 
} 
 public void setInputStream（InputStream inputStream）{
 this.inputStream = inputStream; 
} 
 public JspToPdfTest（）{
 xml2PdfManager = new Xml2PdfManager（）; 
} 
 
 public String doPrint（）{
 String xml =C：\\Users\\Administrator\\workspace\\path\\ \\\actions\\forms\\testeFOPxml.xml; 
 String xslPath =C：\\Users\\Administrator\\workspace\\\\\\\\\\\\xml2fo.xsl; 
 InputStream xmlInput = new ByteArrayInputStream（xml.getBytes（））; 
 
 ByteArrayOutputStream out =（ByteArrayOutputStream）xml2PdfManager.convertXML2PDF（xmlInput，new File（xslPath））; 
 
 inputStream = new ByteArrayInputStream（out.toByteArray（））; 
 return SUCCESS; 
} 
 
 public String xmlToPdf（）{
 try {
 System.out.println（FOP ExampleXML2PDF\\\
）; 
 System.out.println（准备...）; 
 
文件baseDir =新文件（C：\\Users\\Administrator\\\workspace\\\\\\action\\\\\\\\\\\\\\\\\\\\\\\\ \\）; 
文件outDir = new File（baseDir，out）; 
 outDir.mkdirs（）; 
 
文件xmlfile = new File（baseDir，testeFOPxml.xml）; 
文件xsltfile = new File（baseDir，xml2fo.xsl）; 
文件pdffile = new File（outDir，ResultXML2PDF.pdf）; 
 
 final FopFactory fopFactory = FopFactory.newInstance（）; 
 
 FOUserAgent foUserAgent = fopFactory.newFOUserAgent（）; 
 
 OutputStream out = new java.io.FileOutputStream（pdffile）; 
 out = new java.io.BufferedOutputStream（out）; 
 
 try {
 Fop fop = fopFactory.newFop（MimeConstants.MIME_PDF，foUserAgent，out）; 
 
 TransformerFactory factory = TransformerFactory.newInstance（）; 
变压器变压器= factory.newTransformer（new StreamSource（xsltfile））; 
 
 transformer.setParameter（versionParam，2.0）; 
 
源src = new StreamSource（xmlfile）; 
 
结果res = new SAXResult（fop.getDefaultHandler（））; 
 
 transformer.transform（src，res）; 
} finally {
 out.close（）; 
} 
} catch（Exception e）{
 e.printStackTrace（System.err）; 
 System.exit（-1）; 
} 
 return SUCCESS; 
} 
}

和struts.xml动作

 < action name =printDomAction2class =com.somePackage.actions.JspToPdfTestmethod =xmlToPdf> - > 
< result type =streamname =success> 
< param name =contentType> application / pdf< / param> 
< param name =contentDisposition> filename =dom.pdf< / param> 
< param name =bufferSize> 1024< / param> 
< / result> 
< interceptor-ref name =defaultStack/> 
< / action> 
 
< action name =printDomActionclass =com.somePackage.actions.JspToPdfTestmethod =doPrint> 
< result type =streamname =success> 
< param name =contentType> application / pdf< / param> 
< param name =contentDisposition> filename =dom.pdf< / param> 
< param name =bufferSize> 1024< / param> 
< / result> 
< interceptor-ref name =defaultStack/> 
< / action>

finnaly xml2PdfManager.convertXML2PDF方法：

  public OutputStream convertXML2PDF（InputStream xml，File xsl）{
 ByteArrayOutputStream out = new ByteArrayOutputStream（）; 
 
 FopFactory fopFactory = FopFactory.newInstance（）; 
 
 TransformerFactory tFactory = TransformerFactory.newInstance（）; 
 
 try {
 Fop fop = fopFactory.newFop（MimeConstants.MIME_PDF，out）; 
 
源src = new StreamSource（xml）; 
 
源xsltSrc = new StreamSource（xsl）; 
变压器变压器= tFactory.newTransformer（xsltSrc）; 
 
结果res = new SAXResult（fop.getDefaultHandler（））; 
 transformer.transform（src，res）; 
} catch（Exception e）{
 e.printStackTrace（System.err）; 
} 
退出; 
}

在这两种情况下我都有：

  java.lang.NoSuchMethodError：
 org.apache.xmlgraphics.util.Service.providerNames（Ljava / lang / Class;）Ljava / util / Iterator ;当我做FopFactory.newInstance（）; 
 
 $ b $时，

任何帮助，帮助我很好！

解决方案

我解决了我的问题！我有xmlgraphics-commons-1.3而不是xmlgraphics-commons-1.5。这是奇怪的，因为我使用了fop bin附带的所有库。



顺便说一下，在浏览器上转换和显示的代码是pdf文件： / p> 

 < action name =printDomActionclass =com.somePackage.actions.JspToPdfTestmethod =xmlToPdf> 
< result type =streamname =success> 
< param name =contentType> application / pdf< / param> 
< param name =contentDisposition> filename =ResultXML2PDF.pdf< / param> 
< param name =bufferSize> 1024< / param> 
< / result> 
< interceptor-ref name =defaultStack/> 
< / action>

和方法

私人InputStream inputStream; 
 
 public String xmlToPdf（）{
 try {
 System.out.println（FOP ExampleXML2PDF\\\
）; 
 System.out.println（准备...）; 
 
 //安装目录
文件baseDir =新文件（C：\\\\\\\\\\\\\\\\ \\形式\\）; 
文件outDir = new File（baseDir，out）; 
 outDir.mkdirs（）; 
 
 //设置输入和输出文件
文件xmlfile = new File（baseDir，testeFOPxml.xml）; 
文件xsltfile = new File（baseDir，xml2fo.xsl）; 
文件pdffile = new File（outDir，ResultXML2PDF.pdf）; 
 
 System.out.println（Input：XML（+ xmlfile +））; 
 System.out.println（样式表：+ xsltfile）; 
 System.out.println（Output：PDF（+ pdffile +））; 
 System.out.println（）; 
 System.out.println（Transforming ...）; 
 
 //根据需要配置fopFactory 
 final FopFactory fopFactory = FopFactory.newInstance（）; 
 
 FOUserAgent foUserAgent = fopFactory.newFOUserAgent（）; 
 //根据需要配置foUserAgent 
 
 ByteArrayOutputStream out = new ByteArrayOutputStream（）; 
 
 TransformerFactory tFactory = TransformerFactory.newInstance（）; 
 
 
 Fop fop = fopFactory.newFop（MimeConstants.MIME_PDF，foUserAgent，out）; 
 //设置输入
源src = new StreamSource（xmlfile）; 
 
 //安装Transformer 
源xsltSrc = new StreamSource（xsltfile）; 
变压器变压器= tFactory.newTransformer（xsltSrc）; 
 
 //确保XSL转换的结果通过管道传递到FOP 
结果res = new SAXResult（fop.getDefaultHandler（））; 
 transformer.transform（src，res）; 
 
 System.out.println（Success！）; 
 ByteArrayOutputStream baos = out; 
 inputStream = new ByteArrayInputStream（baos.toByteArray（））; 
} catch（Exception e）{
 e.printStackTrace（System.err）; 
 System.exit（-1）; 
} 
 
 return SUCCESS; 
}

感谢大家的提示和帮助！


i'm using struts 2 and i'm trying to use fop to create a pdf file from xml and xsl. I develop my code in base this two url http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/examples/embedding/java/embedding/ExampleXML2PDF.java?view=markup and http://justcode.wordpress.com/2009/01/16/generare-pdf-con-struts2-fop-xml-e-xslt/

here's my code, i'm trying using two different ways

public class JspToPdfTest extends ActionSupport{

private InputStream inputStream;
private Xml2PdfManager xml2PdfManager;

public InputStream getInputStream() {
    return inputStream;
}
public void setInputStream(InputStream inputStream) {
    this.inputStream = inputStream;
}
public JspToPdfTest(){
    xml2PdfManager = new Xml2PdfManager();
}

public String doPrint()  {
    String xml = "C:\\Users\\Administrator\\workspace\\path\\actions\\forms\\testeFOPxml.xml";
    String xslPath = "C:\\Users\\Administrator\\workspace\\path\\actions\\forms\\xml2fo.xsl";
    InputStream xmlInput = new ByteArrayInputStream(xml.getBytes());

    ByteArrayOutputStream out = (ByteArrayOutputStream) xml2PdfManager.convertXML2PDF(xmlInput, new File(xslPath));

    inputStream = new ByteArrayInputStream(out.toByteArray());
    return SUCCESS;
}

public String xmlToPdf() {
                try {
                    System.out.println("FOP ExampleXML2PDF\n");
                    System.out.println("Preparing...");

                    File baseDir = new File("C:\\Users\\Administrator\\workspace\\path\\actions\\forms\\");
                    File outDir = new File(baseDir, "out");
                    outDir.mkdirs();

                    File xmlfile = new File(baseDir, "testeFOPxml.xml");
                    File xsltfile = new File(baseDir, "xml2fo.xsl");
                    File pdffile = new File(outDir, "ResultXML2PDF.pdf");

                    final FopFactory fopFactory = FopFactory.newInstance();

                    FOUserAgent foUserAgent = fopFactory.newFOUserAgent();

                    OutputStream out = new java.io.FileOutputStream(pdffile);
                    out = new java.io.BufferedOutputStream(out);

                    try {
                        Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, foUserAgent, out);

                    TransformerFactory factory = TransformerFactory.newInstance();
                    Transformer transformer = factory.newTransformer(new StreamSource(xsltfile));

                        transformer.setParameter("versionParam", "2.0");

                        Source src = new StreamSource(xmlfile);

                        Result res = new SAXResult(fop.getDefaultHandler());

                        transformer.transform(src, res);
                    } finally {
                        out.close();
                    }
                } catch (Exception e) {
                e.printStackTrace(System.err);
                    System.exit(-1);
                }
            return SUCCESS;
            }
}

and the struts.xml action

<action name="printDomAction2" class="com.somePackage.actions.JspToPdfTest"  method="xmlToPdf"> -->
        <result type="stream" name="success">
            <param name="contentType">application/pdf</param>
            <param name="contentDisposition">filename="dom.pdf"</param>
            <param name="bufferSize">1024</param>
        </result>
        <interceptor-ref name="defaultStack"/>
    </action>

    <action name="printDomAction" class="com.somePackage.actions.JspToPdfTest"  method="doPrint">
        <result type="stream" name="success">
            <param name="contentType">application/pdf</param>
            <param name="contentDisposition">filename="dom.pdf"</param>
            <param name="bufferSize">1024</param>
        </result>
        <interceptor-ref name="defaultStack"/>
    </action>

finnaly the xml2PdfManager.convertXML2PDF method:

public OutputStream convertXML2PDF(InputStream xml, File xsl) {
    ByteArrayOutputStream out = new ByteArrayOutputStream();

    FopFactory fopFactory = FopFactory.newInstance();

    TransformerFactory tFactory = TransformerFactory.newInstance();

    try {
    Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, out);

    Source src = new StreamSource(xml);

    Source xsltSrc = new StreamSource(xsl);
    Transformer transformer = tFactory.newTransformer(xsltSrc);

    Result res = new SAXResult(fop.getDefaultHandler());
    transformer.transform(src, res);
    } catch (Exception e) {
        e.printStackTrace(System.err);
    }
    return out;
    }

in both situations i've got:

java.lang.NoSuchMethodError:
org.apache.xmlgraphics.util.Service.providerNames(Ljava/lang/Class;)Ljava/util/Iterator;

when i do the FopFactory.newInstance();

Any sugestion to help me woud be great!!

解决方案

I solved my problem! I had the xmlgraphics-commons-1.3 instead of the xmlgraphics-commons-1.5. It's strange because i used all the libraries that came with the fop bin.

By the way the code that convert and show on the browser the pdf file is the follow:

<action name="printDomAction" class="com.somePackage.actions.JspToPdfTest"  method="xmlToPdf">
        <result type="stream" name="success">
            <param name="contentType">application/pdf</param>
            <param name="contentDisposition">filename="ResultXML2PDF.pdf"</param>
            <param name="bufferSize">1024</param>
        </result>
        <interceptor-ref name="defaultStack"/>
    </action>

and the method

private InputStream inputStream;

public String xmlToPdf() {
                try {
                    System.out.println("FOP ExampleXML2PDF\n");
                    System.out.println("Preparing...");

                    // Setup directories
                    File baseDir = new File("C:\\Users\\Administrator\\workspace\\path\\actions\\forms\\");
                    File outDir = new File(baseDir, "out");
                    outDir.mkdirs();

                    // Setup input and output files
                    File xmlfile = new File(baseDir, "testeFOPxml.xml");
                    File xsltfile = new File(baseDir, "xml2fo.xsl");
                    File pdffile = new File(outDir, "ResultXML2PDF.pdf");

                    System.out.println("Input: XML (" + xmlfile + ")");
                    System.out.println("Stylesheet: " + xsltfile);
                    System.out.println("Output: PDF (" + 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);

                    System.out.println("Success!");
                    ByteArrayOutputStream baos = out;
                    inputStream = new ByteArrayInputStream(baos.toByteArray());
                } catch (Exception e) {
                e.printStackTrace(System.err);
                    System.exit(-1);
                }

            return SUCCESS;
            }

Thanks everybody for the tips and the help!

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08-23 09:46
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