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/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.ide.browsers;
import com.intellij.openapi.extensions.ExtensionPointName;
import com.intellij.openapi.util.Ref;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.util.Url;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Collection;
import java.util.Set;
public abstract class WebBrowserUrlProvider {
public static final ExtensionPointName<WebBrowserUrlProvider> EP_NAME = ExtensionPointName.create("com.intellij.webBrowserUrlProvider");
private final boolean myDeprecatedMethodOverridden;
protected WebBrowserUrlProvider() {
boolean deprecatedMethodOverridden;
try {
deprecatedMethodOverridden =
getClass().getMethod("canHandleElement", PsiElement.class, PsiFile.class, Ref.class).getDeclaringClass() != WebBrowserUrlProvider.class ||
getClass().getMethod("canHandle", PsiElement.class, PsiFile.class, Ref.class).getDeclaringClass() != WebBrowserUrlProvider.class;
}
catch (Throwable ignored) {
deprecatedMethodOverridden = false;
}
myDeprecatedMethodOverridden = deprecatedMethodOverridden;
}
/**
* Browser exceptions are printed in Error Dialog when user presses any browser button
*/
public static class BrowserException extends Exception {
public BrowserException(final String message) {
super(message);
}
}
@Deprecated
/**
* @deprecated to remove in IDEA 14
*/
public boolean canHandleElement(@NotNull PsiElement element, @NotNull PsiFile psiFile, @NotNull Ref<Set<Url>> result) {
Ref<Collection<Url>> ref = Ref.create();
@SuppressWarnings("deprecation")
boolean canHandle = canHandle(element, psiFile, ref);
if (!ref.isNull()) {
result.set(ContainerUtil.newHashSet(ref.get()));
}
return canHandle;
}
@SuppressWarnings("UnusedParameters")
@Deprecated
/**
* @deprecated to remove in IDEA 15
*/
public boolean canHandle(@NotNull PsiElement element, @NotNull PsiFile psiFile, @NotNull Ref<Collection<Url>> result) {
return false;
}
public boolean canHandleElement(@NotNull OpenInBrowserRequest request) {
if (myDeprecatedMethodOverridden) {
Ref<Set<Url>> resultRef = Ref.create();
//noinspection deprecation
if (canHandleElement(request.getElement(), request.getFile(), resultRef)) {
request.setResult(resultRef.get());
return true;
}
}
try {
Collection<Url> urls = getUrls(request);
if (!urls.isEmpty()) {
request.setResult(urls);
return true;
}
}
catch (BrowserException ignored) {
}
return false;
}
@Nullable
protected Url getUrl(@NotNull OpenInBrowserRequest request, @NotNull VirtualFile virtualFile) throws BrowserException {
//noinspection deprecation
return myDeprecatedMethodOverridden ? getUrl(request.getElement(), request.getFile(), virtualFile) : null;
}
@SuppressWarnings("UnusedParameters")
@Deprecated
@Nullable
/**
* @deprecated to remove in IDEA 14
*/
public Url getUrl(@NotNull PsiElement element, @NotNull PsiFile psiFile, @NotNull VirtualFile virtualFile) throws BrowserException {
return null;
}
@NotNull
public Collection<Url> getUrls(@NotNull OpenInBrowserRequest request) throws BrowserException {
return ContainerUtil.createMaybeSingletonList(getUrl(request, request.getVirtualFile()));
}
@SuppressWarnings({"UnusedParameters", "UnusedDeclaration"})
@Nullable
@Deprecated
public String getOpenInBrowserActionText(@NotNull PsiFile file) {
return null;
}
@Nullable
public String getOpenInBrowserActionDescription(@NotNull PsiFile file) {
return null;
}
}
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