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POStruts2 : dynamic link redirects?
 

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  1. POStruts2 : dynamic link redirects?
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    <p>I'm a newbie in Struts, I use a java class that generates a algortihme an HTML file that I store locally. Is it possible to create a link in my action that redirects to the temporary file in case of success of the action? This is my action.java class:</p> <pre><code>String databases; String sequence; String algoUsed; String maxTarget; String wordSize; String name; String sequenceFasta; boolean lowComplexity; private String url; public String getUrl() { return url; } public String getAlgoUsed() { return algoUsed; } public void setAlgoUsed(String algoUsed) { this.algoUsed = algoUsed; } public String getDatabases() { return databases; } public void setDatabases(String databases) { this.databases = databases; } public String getWordSize() { return wordSize; } public void setWordSize(String wordSize) { this.wordSize = wordSize; } public boolean isLowComplexity() { return lowComplexity; } public void setLowComplexity(boolean lowComplexity) { this.lowComplexity = lowComplexity; } public String getMaxTarget() { return maxTarget; } public void setMaxTarget(String maxTarget) { this.maxTarget = maxTarget; } public String getSequence() { return sequence; } public void setSequence(String sequence) { this.sequence = sequence; } File blast = new File("C:\\dmif-blast\\web\\blast.xml"); File directory = new File("C:\\dmif-blast\\web\\blast\\"); public String commandBlastN() throws Exception{ try { blast.delete(); File blasthtml = File.createTempFile("blast_", ".html",directory); ProcessBuilder pb = new ProcessBuilder( this.blastAllPath, "-task", "blastn", "-db", blastDB, "-query", fasta.getAbsolutePath(), "-outfmt", "5", "-word_size", wordSize, "-num_alignments", maxTarget, "-num_descriptions", maxTarget, "-out", blast.getAbsolutePath()); Process proc = pb.start(); System.out.println(pb.command()); if (proc.waitFor() != 0) { throw new RuntimeException("error occured"); } } catch (Exception err) { throw new RuntimeException(err); } InputStream in = new FileInputStream(blast); FileOutputStream out = new FileOutputStream(blasthtml); out.write(BlastXML2HTML.toHTML(in).getBytes()); out.close(); System.out.println("success......"); url = blasthtml.getCanonicalPath(); return SUCCESS; } </code></pre> <p>}</p> <p>and my stuts.xml</p> <pre><code> &lt;action name="blastn" class="com.ncbi.blast.beanAction.ncbiBlastNAction" method="commandBlastN"&gt; &lt;interceptor-ref name="token"/&gt; &lt;interceptor-ref name="defaultStack"/&gt; &lt;interceptor-ref name="execAndWait"/&gt; &lt;result name="wait"&gt;wait.jsp&lt;/result&gt; &lt;result name="error"&gt;blastn.jsp&lt;/result&gt; &lt;result name="invalid.token"&gt;blastn.jsp&lt;/result&gt; &lt;result name="success" &gt;${url}&lt;/result&gt; &lt;/action&gt; </code></pre> <p>I have a error </p> <pre><code>"The requested resource (/dmif-blast/C:/dmif-blast/web/blast/blast_7632426713872140252.html) is not available." </code></pre> <p>thanks for the help</p> <p>EDIT : thanks for the solution Tommi, but it doesn't work, now I have a new error:</p> <pre><code>Stacktraces java.lang.RuntimeException: java.io.IOException: The system cannot find the path specified com.ncbi.blast.beanAction.ncbiBlastNAction.commandBlastN(ncbiBlastNAction.java:168) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:597) com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:441) com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:280) org.apache.struts2.interceptor.BackgroundProcess$1.run(BackgroundProcess.java:57) java.lang.Thread.run(Thread.java:619) java.io.IOException: The system cannot find the path specified java.io.WinNTFileSystem.createFileExclusively(Native Method) java.io.File.checkAndCreate(File.java:1704) java.io.File.createTempFile(File.java:1792) com.ncbi.blast.beanAction.ncbiBlastNAction.commandBlastN(ncbiBlastNAction.java:95) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:597) com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:441) com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:280) org.apache.struts2.interceptor.BackgroundProcess$1.run(BackgroundProcess.java:57) java.lang.Thread.run(Thread.java:619) </code></pre>
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