Package org.apache.camel.http.common

Class HttpHelper

java.lang.Object
org.apache.camel.http.common.HttpHelper
public final class HttpHelper extends Object

  • Method Details

    • isSecureConnection

      public static boolean isSecureConnection(String uri)

    • parserHttpVersion

      public static int[] parserHttpVersion(String s) throws ProtocolException
      Throws:
      ProtocolException

    • setCharsetFromContentType

      public static void setCharsetFromContentType(String contentType, org.apache.camel.Exchange exchange)

    • getCharsetFromContentType

      public static String getCharsetFromContentType(String contentType)

    • writeObjectToServletResponse

      public static void writeObjectToServletResponse(jakarta.servlet.ServletResponse response, Object target) throws IOException
      Writes the given object as response body to the servlet response

      The content type will be set to HttpConstants.CONTENT_TYPE_JAVA_SERIALIZED_OBJECT

      Parameters:
      response - servlet response
      target - object to write
      Throws:
      IOException - is thrown if error writing

    • writeObjectToStream

      public static void writeObjectToStream(OutputStream stream, Object target) throws IOException
      Writes the given object as response body to the output stream
      Parameters:
      stream - output stream
      target - object to write
      Throws:
      IOException - is thrown if error writing

    • deserializeJavaObjectFromStream

      @Deprecated public static Object deserializeJavaObjectFromStream(InputStream is) throws ClassNotFoundException, IOException
      Deprecated.
      Camel 3.0 Please use the one which has the parameter of camel context
      Deserializes the input stream to a Java object
      Parameters:
      is - input stream for the Java object
      Returns:
      the java object, or null if input stream was null
      Throws:
      ClassNotFoundException - is thrown if class not found
      IOException - can be thrown

    • deserializeJavaObjectFromStream

      public static Object deserializeJavaObjectFromStream(InputStream is, org.apache.camel.CamelContext context) throws ClassNotFoundException, IOException
      Deserializes the input stream to a Java object
      Parameters:
      is - input stream for the Java object
      context - the camel context which could help us to apply the customer classloader
      Returns:
      the java object, or null if input stream was null
      Throws:
      ClassNotFoundException - is thrown if class not found
      IOException - can be thrown

    • readRequestBodyFromServletRequest

      public static Object readRequestBodyFromServletRequest(jakarta.servlet.http.HttpServletRequest request, org.apache.camel.Exchange exchange) throws IOException
      Reads the request body from the given http servlet request.
      Parameters:
      request - http servlet request
      exchange - the exchange
      Returns:
      the request body, can be null if no body
      Throws:
      IOException - is thrown if error reading request body

    • cacheResponseBodyFromInputStream

      public static Object cacheResponseBodyFromInputStream(InputStream is, org.apache.camel.Exchange exchange) throws IOException
      Caches the response body from the given input stream, which is needed by PollingConsumer.
      Parameters:
      is - the input stream
      exchange - the exchange
      Returns:
      the cached response body
      Throws:
      IOException - is thrown if error reading response body

    • createURL

      public static String createURL(org.apache.camel.Exchange exchange, HttpCommonEndpoint endpoint)
      Creates the URL to invoke.
      Parameters:
      exchange - the exchange
      endpoint - the endpoint
      Returns:
      the URL to invoke

    • createURI

      public static URI createURI(org.apache.camel.Exchange exchange, String url, HttpCommonEndpoint endpoint) throws URISyntaxException
      Creates the URI to invoke.
      Parameters:
      exchange - the exchange
      url - the url to invoke
      endpoint - the endpoint
      Returns:
      the URI to invoke
      Throws:
      URISyntaxException

    • appendHeader

      public static void appendHeader(Map<String,Object> headers, String key, Object value)
      Appends the key/value to the headers.

      This implementation supports keys with multiple values. In such situations the value will be a List that contains the multiple values.

      Parameters:
      headers - headers
      key - the key
      value - the value

    • extractHttpParameterValue

      public static Object extractHttpParameterValue(String value)
      Extracts the parameter value.

      This implementation supports HTTP multi value parameters which is based on the syntax of [value1, value2, value3] by returning a List containing the values.

      If the value is not a HTTP mulit value the value is returned as is.

      Parameters:
      value - the parameter value
      Returns:
      the extracted parameter value, see more details in javadoc.

    • createMethod

      public static HttpMethods createMethod(org.apache.camel.Exchange exchange, HttpCommonEndpoint endpoint, boolean hasPayload) throws URISyntaxException
      Creates the HttpMethod to use to call the remote server, often either its GET or POST.
      Parameters:
      exchange - the exchange
      Returns:
      the created method
      Throws:
      URISyntaxException

    • isStatusCodeOk

      public static boolean isStatusCodeOk(int statusCode, String okStatusCodeRange)
      Checks whether the given http status code is within the ok range
      Parameters:
      statusCode - the status code
      okStatusCodeRange - the ok range (inclusive)
      Returns:
      true if ok, false otherwise