/
ImmutableEnforcementFilter.java
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/
ImmutableEnforcementFilter.java
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/*
* Copyright (c) 2017-2018 Bosch Software Innovations GmbH.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/epl-2.0/index.php
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.services.models.connectivity.placeholder;
import java.util.Objects;
import org.eclipse.ditto.model.base.headers.DittoHeaders;
import org.eclipse.ditto.model.connectivity.Enforcement;
import org.eclipse.ditto.model.connectivity.IdEnforcementFailedException;
/**
* Immutable implementation of an {@link EnforcementFilter}.
*
* @param <M> the type that is required to resolve the matchers.
*/
public final class ImmutableEnforcementFilter<M> implements EnforcementFilter<M> {
private final Enforcement enforcement;
private final Placeholder<M> matcherFilter;
private final String inputValue;
ImmutableEnforcementFilter(final Enforcement enforcement,
final Placeholder<M> matcherFilter, final String inputValue) {
this.enforcement = enforcement;
this.matcherFilter = matcherFilter;
this.inputValue = inputValue;
}
@Override
public void match(final M matcherSource, final DittoHeaders dittoHeaders) {
enforcement.getMatchers()
.stream()
.map(m -> PlaceholderFilter.apply(m, matcherSource, matcherFilter))
.filter(resolved -> resolved.equals(inputValue))
.findFirst()
.orElseThrow(() -> getIdEnforcementFailedException(dittoHeaders));
}
private IdEnforcementFailedException getIdEnforcementFailedException(
final DittoHeaders dittoHeaders) {
return IdEnforcementFailedException.newBuilder(inputValue).dittoHeaders(dittoHeaders).build();
}
@Override
public boolean equals(final Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
final ImmutableEnforcementFilter<?> that = (ImmutableEnforcementFilter<?>) o;
return Objects.equals(enforcement, that.enforcement) &&
Objects.equals(matcherFilter, that.matcherFilter) &&
Objects.equals(inputValue, that.inputValue);
}
@Override
public int hashCode() {
return Objects.hash(enforcement, matcherFilter, inputValue);
}
@Override
public String toString() {
return getClass().getSimpleName() + " [" +
"enforcement=" + enforcement +
", matcherFilter=" + matcherFilter +
", inputValue=" + inputValue +
"]";
}
}