xbl.http.Response.java Source code

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Here is the source code for xbl.http.Response.java

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/*
 * Copyright (c) 2009. The Frontside Software, Inc.
 *
 * The contents of this file are subject to the Gnu General Public License version 2
 * or later (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.gnu.org/licenses/old-licenses/gpl-2.0.html
 */

package xbl.http;

import nu.xom.*;
import nux.xom.xquery.XQueryUtil;
import org.apache.commons.httpclient.HttpMethod;
import xbl.error.NetworkException;
import xbl.error.SystemException;

import java.io.IOException;

public class Response {

    protected HttpMethod response;
    protected Document document;

    public Response(HttpMethod response) {
        this.response = response;
        try {
            this.document = new Builder(new org.ccil.cowan.tagsoup.Parser())
                    .build(response.getResponseBodyAsStream());
        } catch (ParsingException e) {
            throw new SystemException("Unable to parse response from XBox Live", e);
        } catch (IOException e) {
            throw new NetworkException(e);
        }
    }

    public boolean isRedirect() {
        return this.response.getStatusCode() >= 300 && this.response.getStatusCode() < 400;
    }

    public boolean isSuccess() {
        return this.response.getStatusCode() < 300 && this.response.getStatusCode() >= 200;
    }

    public String getRedirectLocation() {
        return this.response.getResponseHeader("Location").getValue();
    }

    protected Nodes query(Node context, String xpath) {
        return XQueryUtil.xquery(context, xpath);
    }

    protected Nodes query(String xpath) {
        return this.query(this.document, xpath);
    }

    protected Element findUniqueElement(String xpath) {
        return findUniqueElement(this.document, xpath);
    }

    protected Element findUniqueElement(Node context, String xpath) {
        return (Element) query(context, xpath).get(0);
    }

    protected int integer(Node context, String xquery) {
        String t = text(context, xquery);
        return t == null || t.trim().equals("") ? 0 : new Integer(t);
    }

    protected String text(Node context, String xquery) {
        Nodes nodes = query(context, xquery);
        StringBuilder builder = new StringBuilder();
        for (int i = 0; i < nodes.size(); i++) {
            Node node = nodes.get(i);
            if (node instanceof Attribute) {
                Attribute attr = (Attribute) node;
                builder.append(attr.getValue());
            } else {
                for (int j = 0; j < node.getChildCount(); j++) {
                    Node child = node.getChild(j);
                    if (child instanceof Text) {
                        Text text = (Text) child;
                        builder.append(text.toXML());
                    }
                }
            }
        }

        return builder.toString().trim().replaceAll("\\s+", " ");
    }
}