Java Restful Web Services （二）——参数注解2

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.*;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

@Path("ctx-resource")
public class ContextResource {
@GET
@Path("{region:.+}/kaifeng/{district:\\w+}")
@Produces(MediaType.TEXT_PLAIN)
public String getByAddress(@Context final Application application,
@Context final Request request,
@Context final javax.ws.rs.ext.Providers provider,
@Context final UriInfo uriInfo, @Context final HttpHeaders headers) {
final StringBuilder buf = new StringBuilder();
final String path = uriInfo.getPath();
buf.append("PATH=").append(path).append("\n");

final MultivaluedMap<String, String> pathMap = uriInfo
.getPathParameters();
buf.append("PATH_PARAMETERS:\n");
iterating(buf, pathMap);

final MultivaluedMap<String, String> queryMap = uriInfo
.getQueryParameters();
buf.append("QUERY_PARAMETERS:\n");
iterating(buf, queryMap);

final List<PathSegment> segmentList = uriInfo.getPathSegments();
buf.append("PATH_SEGMENTS:\n");
for (final PathSegment pathSegment : segmentList) {
final MultivaluedMap<String, String> matrix = pathSegment
.getMatrixParameters();
final String segmentPath = pathSegment.getPath();
buf.append(matrix);
buf.append(segmentPath);
}
buf.append("\nHEAD:\n");
final MultivaluedMap<String, String> headerMap = headers
.getRequestHeaders();
iterating(buf, headerMap);
buf.append("COOKIE:\n");
final Map<String, Cookie> kukyMap = headers.getCookies();
final Iterator<Entry<String, Cookie>> i = kukyMap.entrySet().iterator();
while (i.hasNext()) {
final Entry<String, Cookie> e = i.next();
final String k = e.getKey();
buf.append("key=").append(k).append(",value=");
final Cookie cookie = e.getValue();
buf.append(cookie.getValue()).append(" ");
buf.append("\n");
}
return buf.toString();
}

private void iterating(final StringBuilder buf,
final MultivaluedMap<String, String> pathMap) {
final Iterator<Entry<String, List<String>>> i = pathMap.entrySet()
.iterator();
while (i.hasNext()) {
final Entry<String, List<String>> e = i.next();
final String k = e.getKey();
buf.append("key=").append(k).append(",value=");
final List<String> vList = e.getValue();
for (final String v : vList) {
buf.append(v).append(" ");
}
buf.append("\n");
}
}
}

import javax.ws.rs.CookieParam;
import javax.ws.rs.GET;
import javax.ws.rs.Path;

@Path("cookie-resource")
public class CookieResource {
@GET
public String getHeaderParams(
@CookieParam("longitude") final String longitude,
@CookieParam("latitude") final String latitude,
@CookieParam("population") final double population,
@CookieParam("area") final int area) {
return longitude + "," + latitude + " population=" + population
+ ",area=" + area;
}
}

import javax.ws.rs.client.WebTarget;

import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

public class ContextResourceTest {

@BeforeClass
public static void setUpBeforeClass() throws Exception {
}

@AfterClass
public static void tearDownAfterClass() throws Exception {
}

@Before
public void setUp() throws Exception {
}

@After
public void tearDown() throws Exception {
}

@Test
public void testGetByAddress() {
final String path = "ctx-resource";
String result;
final WebTarget pathTarget = Testter.target.path(path).path("Asia")
.path("China").path("northeast").path("henan").path("kaifeng")
.path("gulou");
result = pathTarget.request().get().readEntity(String.class);
System.out.println(result);

final WebTarget queryTarget = Testter.target.path(path).path("China")
.path("kaifeng").path("gulou")
.queryParam("station", "Workers Village")
.queryParam("vehicle", "bus");
result = queryTarget.request().get().readEntity(String.class);
System.out.println(result);
}

}

import javax.ws.rs.client.Invocation.Builder;

import org.junit.After;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

public class CookieResourceTest {

@BeforeClass
public static void setUpBeforeClass() throws Exception {
}

@AfterClass
public static void tearDownAfterClass() throws Exception {
}

@Before
public void setUp() throws Exception {
}

@After
public void tearDown() throws Exception {
}

@Test
public void testGetHeaderParams() {
// fail("Not yet implemented");
final Builder request = Testter.target.path("cookie-resource")
.request();
request.cookie("longitude", "123.38");
request.cookie("latitude", "41.8");
request.cookie("population", "822.8");
request.cookie("area", "12948");
String result = request.get().readEntity(String.class);
System.out.println(result);
Assert.assertEquals("123.38,41.8 population=822.8,area=12948", result);
}

}