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package javax.ws.rs.client;

import java.net.URI;
import java.util.Map;

import javax.ws.rs.core.Configurable;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.UriBuilder;

/**
 * A resource target identified by the resource URI.
 *
 * @author Marek Potociar
 * @since 2.0
 */
public interface WebTarget extends Configurable {

    /**
     * Get the URI identifying the resource.
     *
     * @return the resource URI.
     */
    public URI getUri();

    /**
     * Get the URI builder initialized with the {@link URI} of the current
     * resource target. The returned URI builder is detached from the target,
     * i.e. any updates in the URI builder MUST NOT have any effects on the
     * URI of the originating target.
     *
     * @return the initialized URI builder.
     */
    public UriBuilder getUriBuilder();

    /**
     * Create a new {@code WebTarget} instance by appending path to the URI of
     * the current target instance.
     * 

* When constructing the final path, a '/' separator will be inserted between * the existing path and the supplied path if necessary. Existing '/' characters * are preserved thus a single value can represent multiple URI path segments. *

*

* A snapshot of the present configuration of the current (parent) target * instance is taken and is inherited by the newly constructed (child) target * instance. *

* * @param path the path, may contain URI template parameters. * @return a new target instance. * @throws NullPointerException if path is {@code null}. */ public WebTarget path(String path); /** * Create a new {@code WebTarget} instance by resolving a URI template with a given {@code name} * in the URI of the current target instance using a supplied value. * * In case a {@code null} template name or value is entered a {@link NullPointerException} * is thrown. *

* A snapshot of the present configuration of the current (parent) target * instance is taken and is inherited by the newly constructed (child) target * instance. *

* * @param name name of the URI template. * @param value value to be used to resolve the template. * @return a new target instance. * @throws NullPointerException if the resolved template name or value is {@code null}. */ public WebTarget resolveTemplate(String name, Object value); /** * Create a new {@code WebTarget} instance by resolving a URI template with a given {@code name} * in the URI of the current target instance using a supplied value. * * In case a {@code null} template name or value is entered a {@link NullPointerException} * is thrown. *

* A snapshot of the present configuration of the current (parent) target * instance is taken and is inherited by the newly constructed (child) target * instance. *

* * @param name name of the URI template. * @param value value to be used to resolve the template. * @param encodeSlashInPath if {@code true}, the slash ({@code '/'}) characters * in template values will be encoded if the template * is placed in the URI path component, otherwise the slash * characters will not be encoded in path templates. * @return a new target instance. * @throws NullPointerException if the resolved template name or value is {@code null}. */ public WebTarget resolveTemplate(String name, Object value, boolean encodeSlashInPath); /** * Create a new {@code WebTarget} instance by resolving a URI template with a given {@code name} * in the URI of the current target instance using a supplied encoded value. * * A template with a matching name will be replaced by the supplied value. * Value is converted to {@code String} using its {@code toString()} method and is then * encoded to match the rules of the URI component to which they pertain. All % characters in * the stringified values that are not followed by two hexadecimal numbers will be encoded. * * In case a {@code null} template name or value is entered a {@link NullPointerException} * is thrown. *

* A snapshot of the present configuration of the current (parent) target * instance is taken and is inherited by the newly constructed (child) target * instance. *

* * @param name name of the URI template. * @param value encoded value to be used to resolve the template. * @return a new target instance. * @throws NullPointerException if the resolved template name or value is {@code null}. */ public WebTarget resolveTemplateFromEncoded(String name, Object value); /** * Create a new {@code WebTarget} instance by resolving one or more URI templates * in the URI of the current target instance using supplied name-value pairs. * * A call to the method with an empty parameter map is ignored, i.e. same {@code WebTarget} * instance is returned. *

* A snapshot of the present configuration of the current (parent) target * instance is taken and is inherited by the newly constructed (child) target * instance. *

* * @param templateValues a map of URI template names and their values. * @return a new target instance or the same target instance in case the input name-value map * is empty. * @throws NullPointerException if the name-value map or any of the names or values in the map * is {@code null}. */ public WebTarget resolveTemplates(Map templateValues); /** * Create a new {@code WebTarget} instance by resolving one or more URI templates * in the URI of the current target instance using supplied name-value pairs. * * A call to the method with an empty parameter map is ignored, i.e. same {@code WebTarget} * instance is returned. *

* A snapshot of the present configuration of the current (parent) target * instance is taken and is inherited by the newly constructed (child) target * instance. *

* * * @param templateValues a map of URI template names and their values. * @param encodeSlashInPath if {@code true}, the slash ({@code '/'}) characters * in template values will be encoded if the template * is placed in the URI path component, otherwise the slash * characters will not be encoded in path templates. * @return a new target instance or the same target instance in case the input name-value map * is empty. * @throws NullPointerException if the name-value map or any of the names or values in the map * is {@code null}. */ public WebTarget resolveTemplates(Map templateValues, boolean encodeSlashInPath); /** * Create a new {@code WebTarget} instance by resolving one or more URI templates * in the URI of the current target instance using supplied name-encoded value pairs. * * All templates with their name matching one of the keys in the supplied map will be replaced * by the value in the supplied map. Values are converted to {@code String} using * their {@code toString()} method and are then encoded to match the * rules of the URI component to which they pertain. All % characters in * the stringified values that are not followed by two hexadecimal numbers * will be encoded. * * A call to the method with an empty parameter map is ignored, i.e. same {@code WebTarget} * instance is returned. *

* A snapshot of the present configuration of the current (parent) target * instance is taken and is inherited by the newly constructed (child) target * instance. *

* * @param templateValues a map of URI template names and their encoded values. * @return a new target instance or the same target instance in case the input name-value map * is empty. * @throws NullPointerException if the name-value map or any of the names or encoded values in the map * is {@code null}. */ public WebTarget resolveTemplatesFromEncoded(Map templateValues); /** * Create a new {@code WebTarget} instance by appending a matrix parameter to * the existing set of matrix parameters of the current final segment of the * URI of the current target instance. * * If multiple values are supplied the parameter will be added once per value. In case a single * {@code null} value is entered, all parameters with that name in the current final path segment * are removed (if present) from the collection of last segment matrix parameters inherited from * the current target. *

* Note that the matrix parameters are tied to a particular path segment; appending * a value to an existing matrix parameter name will not affect the position of * the matrix parameter in the URI path. *

*

* A snapshot of the present configuration of the current (parent) target * instance is taken and is inherited by the newly constructed (child) target * instance. *

* * @param name the matrix parameter name, may contain URI template parameters. * @param values the matrix parameter value(s), each object will be converted * to a {@code String} using its {@code toString()} method. Stringified * values may contain URI template parameters. * @return a new target instance. * @throws NullPointerException if the parameter name is {@code null} or if there are multiple * values present and any of those values is {@code null}. * @see Matrix URIs */ public WebTarget matrixParam(String name, Object... values); /** * Create a new {@code WebTarget} instance by configuring a query parameter on the URI * of the current target instance. * * If multiple values are supplied the parameter will be added once per value. In case a single * {@code null} value is entered, all parameters with that name are removed (if present) from * the collection of query parameters inherited from the current target. *

* A snapshot of the present configuration of the current (parent) target * instance is taken and is inherited by the newly constructed (child) target * instance. *

* * @param name the query parameter name, may contain URI template parameters * @param values the query parameter value(s), each object will be converted * to a {@code String} using its {@code toString()} method. Stringified * values may contain URI template parameters. * @return a new target instance. * @throws NullPointerException if the parameter name is {@code null} or if there are multiple * values present and any of those values is {@code null}. */ public WebTarget queryParam(String name, Object... values); /** * Start building a request to the targeted web resource. * * @return builder for a request targeted at the URI referenced by this target instance. */ public Invocation.Builder request(); /** * Start building a request to the targeted web resource and define the accepted * response media types. *

* Invoking this method is identical to: *

*
     * webTarget.request().accept(types);
     * 
* * @param acceptedResponseTypes accepted response media types. * @return builder for a request targeted at the URI referenced by this target instance. */ public Invocation.Builder request(String... acceptedResponseTypes); /** * Start building a request to the targeted web resource and define the accepted * response media types. *

* Invoking this method is identical to: *

*
     * webTarget.request().accept(types);
     * 
* * @param acceptedResponseTypes accepted response media types. * @return builder for a request targeted at the URI referenced by this target instance. */ public Invocation.Builder request(MediaType... acceptedResponseTypes); }




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