/*
* ModeShape (http://www.modeshape.org)
*
* 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 org.modeshape.web.jcr.rest.form;
import java.io.InputStream;
import javax.ws.rs.FormParam;
/**
* POJO which leverages RestEasy's support for HTML forms, containing one element {@link FileUploadForm#fileData}, which is
* populated by RestEasy when an HTML form with the html element with the name {@code file} is submitted.
*
* @author Horia Chiorean (hchiorea@redhat.com)
*/
public final class FileUploadForm {
public static final String PARAM_NAME = "file";
private InputStream fileData;
/**
* Returns the input stream of the file submitted from an HTML form, or null.
* @return an {@link InputStream} instance, or {@code null}
*/
public InputStream getFileData() {
return fileData;
}
/**
* Sets the {@link InputStream} which corresponds to the HTML element named {@code file}. RestEASY will call this method.
*
* @param fileData a {@link InputStream} or {@code null} if there isn't an HTML field with the {@code file} name.
*/
@FormParam(PARAM_NAME)
public void setFileData( InputStream fileData ) {
this.fileData = fileData;
}
/**
* Validates that the {@link FileUploadForm#fileData} field is not null.
*
* @throws IllegalArgumentException if the fileData field is null.
*/
public void validate() {
if (fileData == null) {
throw new IllegalArgumentException(
"Please make sure the file is uploaded from an HTML element with the name \"file\"");
}
}
}