我在使用moco框架過程當中,遇到一個問題,在官方文檔中給出了cycle的方法,表示循環返回一個數組裏面的response,可是在查看API的時候並無發現這個cycle()方法,因此以爲本身寫了一個responsehandle,而且重寫了cycle()方法。java
cycle方法主要用在請求次數相關的內容,好比訂單提交、資源刪除等場景。git
package com.fun.moco.support; import com.github.dreamhead.moco.MocoConfig; import com.github.dreamhead.moco.ResponseHandler; import com.github.dreamhead.moco.handler.AbstractResponseHandler; import com.github.dreamhead.moco.internal.SessionContext; import com.google.common.base.Function; import com.google.common.collect.FluentIterable; import com.google.common.collect.ImmutableList; import com.google.common.collect.Iterables; import static com.google.common.base.Preconditions.checkArgument; import static com.google.common.collect.FluentIterable.from; import static com.google.common.collect.ImmutableList.copyOf; /** * 循環的responsehandle */ @SuppressWarnings("all") public class CycleHandle extends AbstractResponseHandler { private final ImmutableList<ResponseHandler> handlers; private int index; private CycleHandle(final Iterable<ResponseHandler> handlers) { this.handlers = copyOf(handlers); } public static ResponseHandler newSeq(final Iterable<ResponseHandler> handlers) { checkArgument(Iterables.size(handlers) > 0, "Sequence contents should not be null"); return new CycleHandle(handlers); } @Override public void writeToResponse(final SessionContext context) { handlers.get((index++) % handlers.size()).writeToResponse(context); } @Override public ResponseHandler apply(final MocoConfig config) { if (config.isFor(MocoConfig.RESPONSE_ID)) { return super.apply(config); } FluentIterable<ResponseHandler> transformedResources = from(copyOf(handlers)).transform(applyConfig(config)); return new CycleHandle(transformedResources.toList()); } private Function<ResponseHandler, ResponseHandler> applyConfig(final MocoConfig config) { return new Function<ResponseHandler, ResponseHandler>() { @Override public ResponseHandler apply(final ResponseHandler input) { return input.apply(config); } }; } } 使用方法以下(groovy,有興趣能夠轉成java): /** * 循環返回 * @param content * @param contents * @return */ static ResponseHandler cycle(String content, String... contents) { CycleHandle.newSeq(FluentIterable.from(asIterable(content, contents)).transform(textToResource())) } /** * 循環返回 * @param handler * @param handlers * @return */ static ResponseHandler cycle(final ResponseHandler handler, final ResponseHandler... handlers) { CycleHandle.newSeq(asIterable(handler, handlers)) }
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