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* to you under the Apache License, Version 2.0 (the
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* http://www.apache.org/licenses/LICENSE-2.0
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* KIND, either express or implied. See the License for the
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* under the License.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
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*/
package org.apache.http.conn.scheme;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.http.HttpHost;
import org.apache.http.annotation.Contract;
import org.apache.http.annotation.ThreadingBehavior;
import org.apache.http.util.Args;
A set of supported protocol Scheme
s. Schemes are identified by lowercase names. Since: 4.0 Deprecated: (4.3) use Registry
/**
* A set of supported protocol {@link Scheme}s.
* Schemes are identified by lowercase names.
*
* @since 4.0
*
* @deprecated (4.3) use {@link org.apache.http.config.Registry}
*/
@Contract(threading = ThreadingBehavior.SAFE)
@Deprecated
public final class SchemeRegistry {
The available schemes in this registry. /** The available schemes in this registry. */
private final ConcurrentHashMap<String,Scheme> registeredSchemes;
Creates a new, empty scheme registry.
/**
* Creates a new, empty scheme registry.
*/
public SchemeRegistry() {
super();
registeredSchemes = new ConcurrentHashMap<String,Scheme>();
}
Obtains a scheme by name.
Params: - name – the name of the scheme to look up (in lowercase)
Throws: - IllegalStateException –
if the scheme with the given name is not registered
Returns: the scheme, never null
/**
* Obtains a scheme by name.
*
* @param name the name of the scheme to look up (in lowercase)
*
* @return the scheme, never {@code null}
*
* @throws IllegalStateException
* if the scheme with the given name is not registered
*/
public final Scheme getScheme(final String name) {
final Scheme found = get(name);
if (found == null) {
throw new IllegalStateException
("Scheme '"+name+"' not registered.");
}
return found;
}
Obtains the scheme for a host. Convenience method for getScheme(host.getSchemeName())
Params: - host – the host for which to obtain the scheme
Throws: - IllegalStateException –
if a scheme with the respective name is not registered
Returns: the scheme for the given host, never null
/**
* Obtains the scheme for a host.
* Convenience method for {@code getScheme(host.getSchemeName())}
*
* @param host the host for which to obtain the scheme
*
* @return the scheme for the given host, never {@code null}
*
* @throws IllegalStateException
* if a scheme with the respective name is not registered
*/
public final Scheme getScheme(final HttpHost host) {
Args.notNull(host, "Host");
return getScheme(host.getSchemeName());
}
Obtains a scheme by name, if registered.
Params: - name – the name of the scheme to look up (in lowercase)
Returns: the scheme, or null
if there is none by this name
/**
* Obtains a scheme by name, if registered.
*
* @param name the name of the scheme to look up (in lowercase)
*
* @return the scheme, or
* {@code null} if there is none by this name
*/
public final Scheme get(final String name) {
Args.notNull(name, "Scheme name");
// leave it to the caller to use the correct name - all lowercase
//name = name.toLowerCase(Locale.ENGLISH);
final Scheme found = registeredSchemes.get(name);
return found;
}
Params: - sch – the scheme to register
Returns: the scheme previously registered with that name, or null
if none was registered
/**
* Registers a scheme.
* The scheme can later be retrieved by its name
* using {@link #getScheme(String) getScheme} or {@link #get get}.
*
* @param sch the scheme to register
*
* @return the scheme previously registered with that name, or
* {@code null} if none was registered
*/
public final Scheme register(final Scheme sch) {
Args.notNull(sch, "Scheme");
final Scheme old = registeredSchemes.put(sch.getName(), sch);
return old;
}
Unregisters a scheme.
Params: - name – the name of the scheme to unregister (in lowercase)
Returns: the unregistered scheme, or null
if there was none
/**
* Unregisters a scheme.
*
* @param name the name of the scheme to unregister (in lowercase)
*
* @return the unregistered scheme, or
* {@code null} if there was none
*/
public final Scheme unregister(final String name) {
Args.notNull(name, "Scheme name");
// leave it to the caller to use the correct name - all lowercase
//name = name.toLowerCase(Locale.ENGLISH);
final Scheme gone = registeredSchemes.remove(name);
return gone;
}
Obtains the names of the registered schemes.
Returns: List containing registered scheme names.
/**
* Obtains the names of the registered schemes.
*
* @return List containing registered scheme names.
*/
public final List<String> getSchemeNames() {
return new ArrayList<String>(registeredSchemes.keySet());
}
Populates the internal collection of registered protocol schemes
with the content of the map passed as a parameter. Params: - map – protocol schemes
/**
* Populates the internal collection of registered {@link Scheme protocol schemes}
* with the content of the map passed as a parameter.
*
* @param map protocol schemes
*/
public void setItems(final Map<String, Scheme> map) {
if (map == null) {
return;
}
registeredSchemes.clear();
registeredSchemes.putAll(map);
}
}