From 32d17447a258188b2d534bcb0bf65a659ba7b7d0 Mon Sep 17 00:00:00 2001
From: mcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>
Date: Fri, 29 Aug 2008 12:11:34 +0000
Subject: Initial import.

git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@1 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4
---
 .../bku/binding/MultiPartFormDataInputDecoder.java | 133 +++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 bkucommon/src/main/java/at/gv/egiz/bku/binding/MultiPartFormDataInputDecoder.java

(limited to 'bkucommon/src/main/java/at/gv/egiz/bku/binding/MultiPartFormDataInputDecoder.java')

diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/binding/MultiPartFormDataInputDecoder.java b/bkucommon/src/main/java/at/gv/egiz/bku/binding/MultiPartFormDataInputDecoder.java
new file mode 100644
index 00000000..f8b13553
--- /dev/null
+++ b/bkucommon/src/main/java/at/gv/egiz/bku/binding/MultiPartFormDataInputDecoder.java
@@ -0,0 +1,133 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.binding;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Iterator;
+
+import org.apache.commons.fileupload.FileItemIterator;
+import org.apache.commons.fileupload.FileItemStream;
+import org.apache.commons.fileupload.FileUpload;
+import org.apache.commons.fileupload.FileUploadException;
+import org.apache.commons.fileupload.RequestContext;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import at.gv.egiz.bku.slexceptions.SLRuntimeException;
+
+/**
+ * The code to detect the multipart boundary is based on
+ * org.apache.commons.fileupload.FileUploadBase of
+ * http://commons.apache.org/fileupload/
+ * 
+ * @author wbauer
+ * 
+ */
+public class MultiPartFormDataInputDecoder implements InputDecoder,
+    RequestContext {
+
+  private static Log log = LogFactory
+      .getLog(MultiPartFormDataInputDecoder.class);
+
+  private String contentType;
+  private InputStream stream;
+
+  @Override
+  public void setContentType(String contentType) {
+    this.contentType = contentType;
+  }
+
+  @Override
+  public String getCharacterEncoding() {
+    return null;
+  }
+
+  @Override
+  public int getContentLength() {
+    return 0;
+  }
+
+  @Override
+  public String getContentType() {
+    return contentType;
+  }
+
+  @Override
+  public InputStream getInputStream() throws IOException {
+    return stream;
+  }
+
+  @Override
+  public Iterator<FormParameter> getFormParameterIterator() {
+    try {
+      FileUpload fup = new FileUpload();
+      FileItemIterator fit = fup.getItemIterator(this);
+      return new IteratorDelegator(fit);
+    } catch (Exception iox) {
+      log.error("Cannot decode multipart form data stream " + iox);
+      throw new SLRuntimeException(iox);
+    }
+  }
+
+  @Override
+  public void setInputStream(InputStream is) {
+    stream = is;
+  }
+
+  static class IteratorDelegator implements Iterator<FormParameter> {
+
+    private FileItemIterator fileItemIterator;
+
+    public IteratorDelegator(FileItemIterator fit) {
+      fileItemIterator = fit;
+    }
+
+    @Override
+    public boolean hasNext() {
+      try {
+        return fileItemIterator.hasNext();
+      } catch (FileUploadException e) {
+        log.error(e);
+        throw new SLRuntimeException(e);
+      } catch (IOException e) {
+        log.error(e);
+        throw new SLRuntimeException(e);
+      }
+    }
+
+    @Override
+    public FormParameter next() {
+      try {
+        FileItemStream item = fileItemIterator.next();
+        return new FormParameterImpl(item.getContentType(),
+            item.getFieldName(), item.openStream(), item.getHeaders());
+      } catch (FileUploadException e) {
+        log.error(e);
+        throw new SLRuntimeException(e);
+      } catch (IOException e) {
+        log.error(e);
+        throw new SLRuntimeException(e);
+      }
+    }
+
+    @Override
+    public void remove() {
+      throw new UnsupportedOperationException("Remove not supported");
+    }
+  }
+}
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