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## com.bea.portlet
Class GenericURL

    java.lang.Object
      com.bea.portlet.GenericURL

All Implemented Interfaces:
  Cloneable

Direct Known Subclasses:
  PostbackURL, ResourceURL

public class GenericURL
extends Object
implements Cloneable

The `GenericURL` helps portal applications create URLs to resources within the portal.

To obtain an instance of `GenericURL` an application must supply valid `HttpServletRequest` and `HttpServletResponse` objects. This class derives certain default attributes from the request/response.

A `GenericURL` could be populated with the following attributes:

Attribute | Purpose | Nodes
Scheme | Scheme. Valid values are "http" and "https". | If not specified, uses the scheme that was used to make the request.
Domain | Server domain. | If not specified, uses the domain that was used to make the request. If requests are made via a proxy, specify the domain of the proxy server.
Port | Server port. | If not specified, uses the port from the request. If requests are made via a proxy, specify the port of the proxy server for the scheme used.
Secure port | Secure server port. | If not specified, uses the default secure server port. If requests are made via a proxy, specify the port of the proxy server for the scheme used.
Path prefix | Path prefix. | No default.
path | path is the relative path to the resource (typically used for static/dynamic resources such as files, images, etc.). If the webapp name is needed in the path use `contextualPath`.
contextualPath | contextualPath is the relative path to the resource, The contextual path includes the webAppName (typically used for static/dynamic resources such as files, images, etc.). | No default.
Encode session | Encodes the URL to include session ID. | Defaults to `true`
Parameter | Query parameters. | These parameters will be appended in the query string of the URL. This implementation preserves the order of parameters. If a parameter has multiple values, all values will be added at the first occurrence.

In order to specify web-app wide defaults for the above attributes, named URL templates may be specified. A URL template is a parameterized fully-qualified URL string. Each URL template has a name. URL templates should be specified in "url-template-config.xml" file in WEB-INF directory of the webapp.

An example of a URL template (with name "mytemplate") is "http://my.domain.com/{url:prefix}/{url:path}?{url:queryString}&myParam1=myValue1

In this templates, parameters are enclosed in {}s, and can be replaced by attributes set.

The parameters "url:path" and "url:queryString" are reserved and should be present in every template.

A URL with the above template as the basis could be created as follows: `GenericURL url = GenericURL.createGenericURL(request, response); url.setTemplate("mytemplate"); url.setPathPrefix("myproxypath");`

In this example, since scheme, domain and port are not parameterized, it is illegal to set these attributes on the URL.

This mechanism recognizes the following parameters in URL templates:

url:scheme | Scheme | Usage
url:domain | Domain | May be set
url:port | Port | May be set
url:securePort | Secure port | May be set
url:prefix | Purpose | May be set
url:path | Extra path information | Reserved, must be present in a template.
url:contextualPath | Relative path to the resource | No default.
url:queryString | Reserved query parameters | Reserved, must be present in a template.
url:currentPage | Current page parameter | May be set

If one or more parameters of a template are not set at runtime, the implementation will use defaults if appropriate.

Field Summary
`static String` | `CONTROL_STATE_PARAM` Control state parameter (reserved).
`static String` | `CURRENT_PAGE`
`static String` | `DOMAIN` Template parameter: domain.
`protected HttpServletRequest` | `httpRequest` HTTP request.
`protected HttpServletResponse` | `httpResponse` HTTP response<.
`static String` | `LOADSTATE_PARAM` Load state request query parameter (reserved).
`static String` | `MODE_PARAM` Window mode query parameter (reserved).
`static String` | `PAGE_LABEL_PARAM` Page label query parameter (reserved).
`protected LinkedHashMap` | `params` Query parameters
`static String` | `PATH` Template parameter: path.
`static String` | `PORT` Template parameter: port.
`static String` | `POSTBACK_PARAM` Postback request query parameter (reserved).
`static String` | `PREFIX` Template parameter: prefix.
`static String` | `QUERY_STRING` Template parameter: queryString.
`static String` | `SCHEME` Template parameter: scheme.
`static String` | `SECURE_PORT` Template parameter: securePort.
`static String` | `STATE_PARAM` Window state query parameter (reserved).
`static String` | `TREE_OPTIMIZATION_PARAM` Tree Optimization request query parameter (reserved).
`static String` | `WINDOW_LABEL_PARAM` Window label query parameter (reserved).

Constructor Summary
`protected` | `GenericURL(HttpServletRequest request, HttpServletResponse response)` Constructs a `GenericURL`.

Method Summary
`void` | `addParameter(String name, String value)` Add a parameter.
`void` | `addParameter(String name, String value, boolean encode)` Add a parameter.
`void` | `addParameter(String name, String value, boolean encodeName, boolean encodeValue)` Add a parameter.
`protected static StringBuffer` | `appendEnsureSeparator(StringBuffer buf, String token)`
`Object` | `clone()` Returns a deep copy.
`protected StringBuffer` | `createQueryString()` Creates a query string with the parameters set so far.
`String` | `getContextualPath()` Returns the contextualPath.
`String` | `getDomain()` Returns the domain.
`boolean` | `getEncodeSession()` Returns `true` if URL rewriting is enabled.
`String` | `getParameter(String name)` Returns the value of the parameter.
`List` | `getParameters(String name)` Returns the values of the given parameter.
`String` | `getPathPrefix()` Returns the path prefix.
`int` | `getPort()` Returns the port.
`protected String` | `getResolvedTemplate()` Returns the template used for generating the URL string.
`String` | `getScheme()` Returns the protocol scheme.
`int` | `getSecurePort()` Returns the port.
`String` | `getTemplate()` Returns the current template.
`String` | `getUrlType()` Returns the type this URL.
`void` | `removeParameter(String name)` Removes the given parameter.
`void` | `setContextualPath(String contextualPath)` Sets contextual path.
`void` | `setDomain(String domain)` Sets the domain.
`void` | `setEncodeSession(boolean encodeSession)` Enables URL rewriting for encoding a session ID in the URL.
`void` | `setPath(String path)` Sets path.
`void` | `setPathPrefix(String pathPrefix)` Sets a path prefix.
`void` | `setPort(int port)` Sets a port.
`void` | `setScheme(String scheme)` Sets the protocol scheme.
`void` | `setSecurePort(int securePort)` Sets a port.
`void` | `setTemplate(String templateName)` Sets a URL template for this URL.
`String` | `toString()` Returns a string form (fully-quanlfied) of this URL removing any unset template parameters.
`String` | `toString(boolean removeUnsetParams)` Returns a string form (fully-qualified) of this URL.

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### CONTROL_STATE_PARAM

    public static final String CONTROL_STATE_PARAM

  Control state parameter (reserved).

  See Also:
    Constant Field Values

### CURRENT_PAGE

    public static final String CURRENT_PAGE

See Also:
  Constant Field Values

### DOMAIN

    public static final String DOMAIN

  Template parameter: domain.

  See Also:
    Constant Field Values

### httpRequest

    protected HttpServletRequest httpRequest

  HTTP request.

### httpResponse

    protected HttpServletResponse httpResponse

  HTTP response<./p>

### LOADSTATE_PARAM

    public static final String LOADSTATE_PARAM

  Load state request query parameter (reserved).

  See Also:
    Constant Field Values

### MODE_PARAM

    public static final String MODE_PARAM

  Window mode query parameter (reserved).

  See Also:
    Constant Field Values

### PAGE_LABEL_PARAM

    public static final String PAGE_LABEL_PARAM

  Page label query parameter (reserved).

  See Also:
    Constant Field Values

### params

    protected LinkedHashMap params

  Query parameters

### PATH

    public static final String PATH

  Template parameter: path.

  See Also:
    Constant Field Values

### PORT

    public static final String PORT

  Template parameter: port.

  See Also:
    Constant Field Values

### POSTBACK_PARAM

    public static final String POSTBACK_PARAM

  Postback request query parameter (reserved).

  See Also:
    Constant Field Values

### PREFIX

    public static final String PREFIX

  Template parameter: prefix.

  See Also:
    Constant Field Values

### QUERY_STRING

    public static final String QUERY_STRING

  Template parameter: queryString.

  See Also:
    Constant Field Values

### SCHEME

    public static final String SCHEME

  Template parameter: scheme.

  See Also:
    Constant Field Values

### SECURE_PORT

    public static final String SECURE_PORT

  Template parameter: securePort.

  See Also:
    Constant Field Values

### STATE_PARAM

    public static final String STATE_PARAM

  Window state query parameter (reserved).

  See Also:
    Constant Field Values

### TREE_OPTIMIZATION_PARAM

    public static final String TREE_OPTIMIZATION_PARAM

  Tree Optimization request query parameter (reserved).

  See Also:
    Constant Field Values

### WINDOW_LABEL_PARAM

    public static final String WINDOW_LABEL_PARAM

  Window label query parameter (reserved).

  See Also:
    Constant Field Values

Constructor Detail

### GenericURL

    protected GenericURL(HttpServletRequest request,
                         HttpServletResponse response)

  Constructs a `GenericURL`.

Method Detail

### addParameter

    public void addParameter(String name,
                             String value)

  Add a parameter. Multiple values for the same parameter can be set by calling this method multiple times with the same name.

  This method URL encodes the parameter name and value value.

  Parameters:
    `name` - name
    `value` - value

### addParameter

    public void addParameter(String name,
                             String value,
                             boolean encode)

  Add a parameter. Multiple values for the same parameter can be set by calling this method multiple times with the same name.

  If the boolean argument is true, this method URL encodes the parameter name and value.

  Parameters:
    `name` - name
    `value` - value
    `encode` -

### addParameter

    public void addParameter(String name,
                             String value,
                             boolean encodeName,
                             boolean encodeValue)

  Add a parameter. Multiple values for the same parameter can be set by calling this method multiple times with the same name.

  If the encodeName boolean argument is true, this method URL encodes the parameter name. If the encodeValue boolean argument is true, this method URL encodes the parameter value.

  Parameters:
    `name` - name
    `value` - value
    `encodeName` -
    `encodeValue` -

### appendEnsureSeparator

    protected static StringBuffer appendEnsureSeparator(StringBuffer buf,
                                                        String token)

### clone

    public Object clone()

  Returns a deep copy.

  Returns:
    clone

### createQueryString

    protected StringBuffer createQueryString()

  Creates a query string with the parameters set so far.

  Returns:
    query string

### getContextualPath

    public String getContextualPath()

  Returns the contextualPath.

  Returns:
    contextualPath

### getDomain

    public String getDomain()

  Returns the domain. If no domain was previously set, returns the domain that was used to make the current request.

  Returns:
    domain

### getEncodeSession

    public boolean getEncodeSession()

  Returns `true` if URL rewriting is enabled.

  Returns:
    boolean

### getParameter

    public String getParameter(String name)

  Returns the value of the parameter. If the parameter has several values, returns the first value.

  Parameters:
    `name` - name of the parameter
  Returns:
    value value of the parameter

### getParameters

    public List getParameters(String name)

  Returns the values of the given parameter.

  Parameters:
    `name` - name of the parameter
  Returns:
    values of the parameter

### getPathPrefix

    public String getPathPrefix()

  Returns the path prefix.

  Returns:
    path prefix

### getPort

    public int getPort()

  Returns the port. If no port was previously set, returns the port from the request.

  Returns:
    port

### getResolvedTemplate

    protected String getResolvedTemplate()

  Returns the template used for generating the URL string.

  This method returns the same value as does the `getTemplate()` method if the set template exists. If not, this method returns the default template named "default".

### getScheme

    public String getScheme()

  Returns the protocol scheme. If no protocol was previously set, returns the protocol that was used to make the current request.

  Returns:
    protocol scheme

### getSecurePort

    public int getSecurePort()

  Returns the port. If no port was previously set, returns the default secure server port.

  Returns:
    secure port

### getTemplate

    public String getTemplate()

  Returns the current template.

  Returns:
    URL template

### getUrlType

    public String getUrlType()

  Returns the type this URL.

  Returns:

### removeParameter

    public void removeParameter(String name)

  Removes the given parameter.

  Parameters:
    `name` - name

### setContextualPath

    public void setContextualPath(String contextualPath)

  Sets contextual path.

  Parameters:
    `contextualPath` -

### setDomain

    public void setDomain(String domain)

  Sets the domain. If a domain is not specified, the domain that was used to make the current request will be used.

  Parameters:
    `domain` - domain

### setEncodeSession

    public void setEncodeSession(boolean encodeSession)

  Enables URL rewriting for encoding a session ID in the URL. If not set to `true`, does not encode the URL with the session ID. Default is `true`.

  Parameters:
    `encodeSession` - boolean

### setPath

    public void setPath(String path)

  Sets path.

  Parameters:
    `path` - path

### setPathPrefix

    public void setPathPrefix(String pathPrefix)

  Sets a path prefix.

  Parameters:
    `pathPrefix` - path prefix

### setPort

    public void setPort(int port)

  Sets a port. If a port is not specified, the port from the request will be used.

  Parameters:
    `port` - port

### setScheme

    public void setScheme(String scheme)

  Sets the protocol scheme. Should be one of "HTTP" or "HTTPS". If a protocol is not specified, the protocol that was used to make the current request will be used.

  Parameters:
    `scheme` - protocol scheme

### setSecurePort

    public void setSecurePort(int securePort)

  Sets a port. If a port is not specified, the default server secure port will be used.

  Parameters:
    `securePort` - secure port

### setTemplate

    public void setTemplate(String templateName)

  Sets a URL template for this URL.

  Parameters:
    `templateName` - name of the url template
  Throws:
    `IllegalArgumentException` - thrown if the named template does not exist or if the template is not valid

### toString

    public String toString()

  Returns a string form (fully-quanlfied) of this URL removing any unset template parameters.

  Returns:
    string

### toString

    public String toString(boolean removeUnsetParams)

  Returns a string form (fully-qualified) of this URL. If the boolean argument is `true`, removes unset template parameters.

  Parameters:
    `removeUnsetParams` -
  Returns:

Overview | Package | Class | Tree | Deprecated | Index | Help
| © 2004 BEA Systems, Inc.
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Copyright © 2004 BEA Systems, Inc. All Rights Reserved