001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.lang.diagnostics.rendering;
018    
019    import com.intellij.psi.PsiElement;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.annotations.Nullable;
022    import org.jetbrains.jet.lang.diagnostics.*;
023    
024    import java.util.HashMap;
025    import java.util.Map;
026    
027    public final class DiagnosticFactoryToRendererMap {
028        private final Map<AbstractDiagnosticFactory, DiagnosticRenderer<?>> map =
029                new HashMap<AbstractDiagnosticFactory, DiagnosticRenderer<?>>();
030        private boolean immutable = false;
031    
032        private void checkMutability() {
033            if (immutable) {
034                throw new IllegalStateException("factory to renderer map is already immutable");
035            }
036        }
037    
038        public <E extends PsiElement> void put(@NotNull DiagnosticFactory0<E> factory, @NotNull String message) {
039            checkMutability();
040            map.put(factory, new SimpleDiagnosticRenderer(message));
041        }
042    
043        public <E extends PsiElement, A> void put(@NotNull DiagnosticFactory1<E, A> factory, @NotNull String message, @Nullable Renderer<? super A> rendererA) {
044            checkMutability();
045            map.put(factory, new DiagnosticWithParameters1Renderer<A>(message, rendererA));
046        }
047    
048        public <E extends PsiElement, A, B> void put(@NotNull DiagnosticFactory2<E, A, B> factory,
049                @NotNull String message,
050                @Nullable Renderer<? super A> rendererA,
051                @Nullable Renderer<? super B> rendererB) {
052            checkMutability();
053            map.put(factory, new DiagnosticWithParameters2Renderer<A, B>(message, rendererA, rendererB));
054        }
055    
056        public <E extends PsiElement, A, B, C> void put(@NotNull DiagnosticFactory3<E, A, B, C> factory,
057                @NotNull String message,
058                @Nullable Renderer<? super A> rendererA,
059                @Nullable Renderer<? super B> rendererB,
060                @Nullable  Renderer<? super C> rendererC) {
061            checkMutability();
062            map.put(factory, new DiagnosticWithParameters3Renderer<A, B, C>(message, rendererA, rendererB, rendererC));
063        }
064    
065        @Nullable
066        public DiagnosticRenderer<?> get(@NotNull AbstractDiagnosticFactory factory) {
067            return map.get(factory);
068        }
069    
070        public void setImmutable() {
071            immutable = false;
072        }
073    }