package com.david.rest;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import javax.ws.rs.Consumes;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.FormParam;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import com.david.model.Book;
import com.google.gson.Gson;
import com.sun.jersey.core.header.FormDataContentDisposition;
import com.sun.jersey.multipart.FormDataParam;
@Path("Hello")
public class HelloResources {
private Gson gson;
public HelloResources() {
gson = new Gson();
}
@GET
@Produces(MediaType.TEXT_PLAIN)
public String getPlainText(@DefaultValue("anonymous") @QueryParam("author") String author) {
return "Received message from " + author;
}
@GET
@Produces(MediaType.TEXT_HTML)
public String getHtml() {
return "<html><em>Hello </em>Mighty <strong>Robot</strong></html>";
}
@GET
@Produces(MediaType.APPLICATION_JSON)
public String getJson() {
Book book = new Book(2, "First Book");
return gson.toJson(book);
}
@GET
@Path("/authors/{author}")
@Produces(MediaType.TEXT_PLAIN)
public String getAuthor(@PathParam("author") String author) {
return "Received message from " + author;
}
@POST
@Consumes(MediaType.TEXT_PLAIN)
public String postHtml(String message) {
return "POST raw: " + message;
}
@POST
@Consumes(MediaType.APPLICATION_JSON)
public String postJson(String bookJson) {
Book book = gson.fromJson(bookJson, Book.class);
return "POST json Book object: " + book.toString();
}
@POST
@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
public String postUrlEncoded(@FormParam("author") String author) {
return "POST urlencoded: " + author;
}
// http://stackoverflow.com/questions/14858321/jax-rs-accept-images-as-input
@POST
@Consumes(MediaType.MULTIPART_FORM_DATA)
@Produces(MediaType.TEXT_PLAIN)
public String postFormData(
@FormDataParam("file") InputStream in,
@FormDataParam("file") FormDataContentDisposition fileMetadata)
throws Exception {
if (fileMetadata == null || fileMetadata.getFileName() == null) {
return "No filename";
}
File file = new File(fileMetadata.getFileName());
FileOutputStream outputStream = new FileOutputStream(file);
byte[] buf = new byte[16384];
int len = in.read(buf);
while (len != -1) {
outputStream.write(buf, 0, len);
len = in.read(buf);
}
outputStream.close();
return "File " + file.getName() + " received\n";
}
}