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/*
* Copyright (c) 2001-2006 Ant-Contrib project. All rights reserved.
*
* 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 net.sf.antcontrib.net.httpclient;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethodBase;
import org.apache.commons.httpclient.URI;
import org.apache.commons.httpclient.URIException;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.taskdefs.Property;
import org.apache.tools.ant.util.FileUtils;
public abstract class AbstractMethodTask
extends Task {
private HttpMethodBase method;
private File responseDataFile;
private String responseDataProperty;
private String statusCodeProperty;
private HttpClient httpClient;
private List responseHeaders = new ArrayList();
public static class ResponseHeader {
private String name;
private String property;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getProperty() {
return property;
}
public void setProperty(String property) {
this.property = property;
}
}
protected abstract HttpMethodBase createNewMethod();
protected void configureMethod(HttpMethodBase method) {
}
protected void cleanupResources(HttpMethodBase method) {
}
public void addConfiguredResponseHeader(ResponseHeader responseHeader) {
this.responseHeaders.add(responseHeader);
}
public void addConfiguredHttpClient(HttpClientType httpClientType) {
this.httpClient = httpClientType.getClient();
}
protected HttpMethodBase createMethodIfNecessary() {
if (method == null) {
method = createNewMethod();
}
return method;
}
public void setResponseDataFile(File responseDataFile) {
this.responseDataFile = responseDataFile;
}
public void setResponseDataProperty(String responseDataProperty) {
this.responseDataProperty = responseDataProperty;
}
public void setStatusCodeProperty(String statusCodeProperty) {
this.statusCodeProperty = statusCodeProperty;
}
public void setClientRefId(String clientRefId) {
Object clientRef = getProject().getReference(clientRefId);
if (clientRef == null) {
throw new BuildException("Reference '" + clientRefId + "' does not exist.");
}
if (! (clientRef instanceof HttpClientType)) {
throw new BuildException("Reference '" + clientRefId + "' is of the wrong type.");
}
httpClient = ((HttpClientType) clientRef).getClient();
}
public void setDoAuthentication(boolean doAuthentication) {
createMethodIfNecessary().setDoAuthentication(doAuthentication);
}
public void setFollowRedirects(boolean doFollowRedirects) {
createMethodIfNecessary().setFollowRedirects(doFollowRedirects);
}
public void addConfiguredParams(MethodParams params) {
createMethodIfNecessary().setParams(params);
}
public void setPath(String path) {
createMethodIfNecessary().setPath(path);
}
public void setURL(String url) {
try {
createMethodIfNecessary().setURI(new URI(url, false));
}
catch (URIException e) {
throw new BuildException(e);
}
}
public void setQueryString(String queryString) {
createMethodIfNecessary().setQueryString(queryString);
}
public void addConfiguredHeader(Header header) {
createMethodIfNecessary().setRequestHeader(header);
}
public void execute() throws BuildException {
if (httpClient == null) {
httpClient = new HttpClient();
}
HttpMethodBase method = createMethodIfNecessary();
configureMethod(method);
try {
int statusCode = httpClient.executeMethod(method);
if (statusCodeProperty != null) {
Property p = (Property)getProject().createTask("property");
p.setName(statusCodeProperty);
p.setValue(String.valueOf(statusCode));
p.perform();
}
Iterator it = responseHeaders.iterator();
while (it.hasNext()) {
ResponseHeader header = (ResponseHeader)it.next();
Property p = (Property)getProject().createTask("property");
p.setName(header.getProperty());
Header h = method.getResponseHeader(header.getName());
if (h != null && h.getValue() != null) {
p.setValue(h.getValue());
p.perform();
}
}
if (responseDataProperty != null) {
Property p = (Property)getProject().createTask("property");
p.setName(responseDataProperty);
p.setValue(method.getResponseBodyAsString());
p.perform();
}
else if (responseDataFile != null) {
FileOutputStream fos = null;
InputStream is = null;
try {
is = method.getResponseBodyAsStream();
fos = new FileOutputStream(responseDataFile);
byte buf[] = new byte[10*1024];
int read = 0;
while ((read = is.read(buf, 0, 10*1024)) != -1) {
fos.write(buf, 0, read);
}
}
finally {
FileUtils.close(fos);
FileUtils.close(is);
}
}
}
catch (IOException e) {
throw new BuildException(e);
}
finally {
cleanupResources(method);
}
}
}
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