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| package net.sf.crispy.impl; |
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| import java.io.BufferedReader; |
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| import java.io.InputStreamReader; |
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| import java.io.Reader; |
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| import java.lang.reflect.Method; |
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| import net.sf.crispy.InvocationException; |
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| import net.sf.crispy.InvocationStrategy; |
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| import net.sf.crispy.impl.rest.Deserializer; |
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| import net.sf.crispy.impl.rest.ParameterSerializer; |
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| import net.sf.crispy.impl.rest.ResponseFail; |
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| import net.sf.crispy.strategy.RestInvocationStrategy; |
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| import net.sf.crispy.util.Converter; |
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| |
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| import org.apache.commons.httpclient.Header; |
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| import org.apache.commons.httpclient.HttpStatus; |
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| import org.apache.commons.httpclient.HttpVersion; |
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| import org.apache.commons.httpclient.methods.PostMethod; |
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| import org.apache.commons.httpclient.params.HttpMethodParams; |
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| public class RestExecutor extends AbstractHttpExecutor { |
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| public final static String DEFAULT_URL_AND_PORT = "http://localhost:8095/crispy/rest"; |
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| public RestExecutor() { }
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| public String getDefaultUrlAndPort() { return DEFAULT_URL_AND_PORT; }
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| public InvocationStrategy getDefaultInvocationStrategy() { return new RestInvocationStrategy(); }
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| public Object execute(Class pvProxyClass, Object pvProxy, Method pvMethod, Object[] pvArgs) throws Exception {
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| Object lvResult = super.execute(pvProxyClass, pvProxy, pvMethod, pvArgs);
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| String lvParams = new ParameterSerializer().serialize(pvArgs);
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| if (log.isDebugEnabled()) { log.debug("RestClient invocation parameter: " + lvParams); } |
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| if (lvParams.length() > 0) { url = url + "&" + lvParams; }
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| PostMethod lvMethod = new PostMethod(url);
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47 |
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| try {
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48 |
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| lvMethod.setRequestHeader(new Header("Content-Type", "text/xml"));
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50 |
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| HttpMethodParams lvHttpMethodParams = new HttpMethodParams();
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51 |
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| lvHttpMethodParams.setVersion(HttpVersion.HTTP_1_1);
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| lvMethod.setParams(lvHttpMethodParams);
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| lvMethod.setRequestHeader(new Header("User-Agent","Crispy-REST"));
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| int stat = httpClient.executeMethod(lvMethod);
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| if (stat == HttpStatus.SC_OK) {
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| Reader lvReader = new InputStreamReader(lvMethod.getResponseBodyAsStream(), lvMethod.getResponseCharSet());
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| BufferedReader br = null;
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| StringBuffer resultXmlStr = new StringBuffer();
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61 |
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| try {
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| br = new BufferedReader(lvReader);
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| String line = null;
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64 |
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| while (true) {
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| line = br.readLine();
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| if (line == null) break;
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| resultXmlStr.append(line);
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| } |
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| } finally { |
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| if (br != null) {
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| br.close();
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| } |
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| } |
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| if (log.isDebugEnabled()) { log.debug("Result from RestClient is: " + resultXmlStr.toString()); } |
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| lvResult = Deserializer.deserialize(resultXmlStr.toString());
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| lvResult = new Converter().makeComplex(lvResult, pvMethod.getReturnType());
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78 |
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| if (lvResult instanceof ResponseFail) {
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0
| ResponseFail lvFail = (ResponseFail) lvResult;
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0
| throw new InvocationException(lvFail.toString());
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| } |
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| } else { |
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| throw new InvocationException("Invalid HttpStatus in RestExecutor: " + stat);
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| } |
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| } catch (Exception e) { |
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| e.printStackTrace();
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| throw new InvocationException("Error in RestExecutor.", e);
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| } |
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| finally { |
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| lvMethod.releaseConnection();
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| } |
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| return lvResult;
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| } |
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| } |
