org.ebayopensource.turmeric.policy.adminui.client.model.AbstractPolicyAdminUIService.java Source code

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Here is the source code for org.ebayopensource.turmeric.policy.adminui.client.model.AbstractPolicyAdminUIService.java

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/********************************************************************
 * Copyright (c) 2010 eBay Inc., and others. 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
 *******************************************************************/
package org.ebayopensource.turmeric.policy.adminui.client.model;

import java.util.Map;
import java.util.TreeMap;

import org.ebayopensource.turmeric.policy.adminui.client.PolicyAdminUIUtil;
import org.ebayopensource.turmeric.policy.adminui.client.shared.AppUser;

import com.google.gwt.core.client.JsArray;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.Response;

/**
 * AbstractPolicyAdminUIService.
 */
public class AbstractPolicyAdminUIService implements PolicyAdminUIService {

    /** The Constant SECURITY_NAMESPACE. */
    public static final String SECURITY_NAMESPACE = "http://www.ebayopensource.org/turmeric/security/v1/services";

    /** The Constant OASIS_NAMESPACE. */
    public static final String OASIS_NAMESPACE = "urn:oasis:names:tc:xacml:2.0:policy:schema:os";

    /** The Constant COMMON_NAMESPACE. */
    public static final String COMMON_NAMESPACE = "http://www.ebayopensource.org/turmeric/common/v1/types";

    /**
    * The Enum RequestFormat.
    */
    public static enum RequestFormat {
        JSON, NV
    };

    /** The namespaces. */
    protected final Map<String, String> namespaces = new TreeMap<String, String>();

    /** The service name header value. */
    protected String serviceNameHeaderValue = SERVICE_NAME_HEADER + "=";

    /**
    * Gets the partial url.
    * 
    * @param operation
    *            the operation
    * @param namespaces
    *            the namespaces
    * @param format
    *            the format
    * @return the partial url
    */
    public String getPartialUrl(String operation, Map<String, String> namespaces, RequestFormat format) {
        String url = "";

        url += serviceNameHeaderValue;
        url += "&" + OPERATION_NAME_HEADER + "=" + operation;
        url += "&" + USECASE_HEADER_VALUE;
        switch (format) {
        case JSON:
            url += "&" + JSON_DATA_FORMAT_HEADER_VALUE;
            break;
        case NV:
            url += "&" + NV_DATA_FORMAT_HEADER_VALUE;
            break;
        }

        url += "&" + JSON_RESPONSE_FORMAT_HEADER_VALUE;

        if (namespaces != null && RequestFormat.NV == format) {
            for (String s : namespaces.keySet()) {
                url += "&nvns:" + s + "=" + namespaces.get(s);
            }
        }
        return url;
    }

    /**
    * Sets the security headers.
    * 
    * @param requestBuilder
    *            the new security headers
    */
    public void setSecurityHeaders(RequestBuilder requestBuilder) {
        if (requestBuilder == null)
            return;
        AppUser user = AppUser.getUser();
        if (user != null) {
            requestBuilder.setHeader("X-TURMERIC-SECURITY-USERID", user.getUsername());
            requestBuilder.setHeader("X-TURMERIC-SECURITY-PASSWORD", user.getPassword());
        }
    }

    /**
    * Gets the error as throwable.
    * 
    * @param responseName
    *            the response name
    * @param response
    *            the response
    * @return the error as throwable
    */
    public Throwable getErrorAsThrowable(String responseName, Response response) {
        if (response == null)
            return null;

        //try parsing the json as an errorMessage
        ErrorResponse errorResponse = ErrorResponse.fromJSON(response.getText());
        JsArray<RemoteError> errors = errorResponse.getErrors();
        if (errors == null || errors.length() == 0)
            errors = errorResponse.getServiceErrors(responseName);

        if (errors == null)
            return new Throwable(PolicyAdminUIUtil.constants.error() + " " + response.getStatusCode());
        String s = "";
        for (int i = 0; i < errors.length(); i++) {
            RemoteError re = errors.get(i);
            s += re.getCategory() + ":" + re.getSeverity() + ":" + re.getMessage() + " ";
        }

        if (!"".equals(s))
            return new Throwable(s);
        return new Throwable(PolicyAdminUIUtil.messages.badRequestData());
    }

    /**
    * Gets the error as throwable.
    * 
    * @param response
    *            the response
    * @return the error as throwable
    */
    public Throwable getErrorAsThrowable(Response response) {
        if (response == null)
            return null;

        //try parsing the json as an errorMessage
        ErrorResponse errorResponse = ErrorResponse.fromJSON(response.getText());
        JsArray<RemoteError> errors = errorResponse.getErrors();
        if (errors == null) {
            return new Throwable(PolicyAdminUIUtil.constants.error() + " " + response.getStatusCode());
        }
        String s = "";
        for (int i = 0; i < errors.length(); i++) {
            RemoteError re = errors.get(i);
            s += re.getCategory() + ":" + re.getSeverity() + ":" + re.getMessage() + " ";
        }

        if (!"".equals(s))
            return new Throwable(s);
        return new Throwable(PolicyAdminUIUtil.messages.badRequestData());
    }

}