diff options
Diffstat (limited to 'bkucommon/src/main/java/at/gv/egiz/bku/binding/FormDataURLDereferencer.java')
-rw-r--r-- | bkucommon/src/main/java/at/gv/egiz/bku/binding/FormDataURLDereferencer.java | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/binding/FormDataURLDereferencer.java b/bkucommon/src/main/java/at/gv/egiz/bku/binding/FormDataURLDereferencer.java new file mode 100644 index 00000000..2f62775b --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/binding/FormDataURLDereferencer.java @@ -0,0 +1,71 @@ +/* +* Copyright 2009 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 org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import at.gv.egiz.bku.utils.urldereferencer.StreamData; +import at.gv.egiz.bku.utils.urldereferencer.URLDereferencer; + +public class FormDataURLDereferencer implements URLDereferencer { + + public final static String PROTOCOL = "formdata"; + + private final Logger log = LoggerFactory.getLogger(FormDataURLDereferencer.class); + + private URLDereferencer urlDereferencer; + + private FormDataURLSupplier formDataURLSupplier; + + public FormDataURLDereferencer(URLDereferencer urlDereferencer, FormDataURLSupplier formDataURLSupplier) { + this.urlDereferencer = urlDereferencer; + this.formDataURLSupplier = formDataURLSupplier; + } + + @Override + public StreamData dereference(String url) + throws IOException { + + String urlString = url.toLowerCase().trim(); + if (urlString.startsWith(PROTOCOL)) { + log.debug("Requested to dereference a formdata url."); + return dereferenceFormData(url); + } else { + return urlDereferencer.dereference(url); + } + + } + + protected StreamData dereferenceFormData(String url) throws IOException { + log.debug("Dereferencing formdata url: {}.", url); + String[] parts = url.split(":", 2); + + String contentType = formDataURLSupplier.getFormDataContentType(parts[1]); + InputStream is = formDataURLSupplier.getFormData(parts[1]); + if (is != null) { + return new StreamData(url, contentType, is); + } + throw new IOException("Cannot dereference URL: '" + url + "' not found."); + } + + +} |