下面列出了怎么用java.net.CacheResponse的API类实例代码及写法,或者点击链接到github查看源代码。
private void update(CacheResponse conditionalCacheHit, HttpURLConnection httpConnection)
throws IOException {
HttpEngine httpEngine = getHttpEngine(httpConnection);
URI uri = httpEngine.getUri();
ResponseHeaders response = httpEngine.getResponseHeaders();
RawHeaders varyHeaders =
httpEngine.getRequestHeaders().getHeaders().getAll(response.getVaryFields());
Entry entry = new Entry(uri, varyHeaders, httpConnection);
DiskLruCache.Snapshot snapshot = (conditionalCacheHit instanceof EntryCacheResponse)
? ((EntryCacheResponse) conditionalCacheHit).snapshot
: ((EntrySecureCacheResponse) conditionalCacheHit).snapshot;
DiskLruCache.Editor editor = null;
try {
editor = snapshot.edit(); // returns null if snapshot is not current
if (editor != null) {
entry.writeTo(editor);
editor.commit();
}
} catch (IOException e) {
abortQuietly(editor);
}
}
@Override public CacheResponse get(URI uri, String requestMethod,
Map<String, List<String>> requestHeaders) {
String key = uriToKey(uri);
DiskLruCache.Snapshot snapshot;
Entry entry;
try {
snapshot = cache.get(key);
if (snapshot == null) {
return null;
}
entry = new Entry(snapshot.getInputStream(ENTRY_METADATA));
} catch (IOException e) {
// Give up because the cache cannot be read.
return null;
}
if (!entry.matches(uri, requestMethod, requestHeaders)) {
snapshot.close();
return null;
}
return entry.isHttps() ? new EntrySecureCacheResponse(entry, snapshot)
: new EntryCacheResponse(entry, snapshot);
}
@Override public CacheResponse get(URI uri, String requestMethod,
Map<String, List<String>> requestHeaders) {
String key = uriToKey(uri);
DiskLruCache.Snapshot snapshot;
Entry entry;
try {
snapshot = cache.get(key);
if (snapshot == null) {
return null;
}
entry = new Entry(snapshot.getInputStream(ENTRY_METADATA));
} catch (IOException e) {
// Give up because the cache cannot be read.
return null;
}
if (!entry.matches(uri, requestMethod, requestHeaders)) {
snapshot.close();
return null;
}
return entry.isHttps() ? new EntrySecureCacheResponse(entry, snapshot)
: new EntryCacheResponse(entry, snapshot);
}
@Override public CacheResponse get(URI uri, String requestMethod,
Map<String, List<String>> requestHeaders) {
String key = uriToKey(uri);
DiskLruCache.Snapshot snapshot;
Entry entry;
try {
snapshot = cache.get(key);
if (snapshot == null) {
return null;
}
entry = new Entry(snapshot.getInputStream(ENTRY_METADATA));
} catch (IOException e) {
// Give up because the cache cannot be read.
return null;
}
if (!entry.matches(uri, requestMethod, requestHeaders)) {
snapshot.close();
return null;
}
return entry.isHttps() ? new EntrySecureCacheResponse(entry, snapshot)
: new EntryCacheResponse(entry, snapshot);
}
private void update(CacheResponse conditionalCacheHit, HttpURLConnection httpConnection)
throws IOException {
HttpEngine httpEngine = getHttpEngine(httpConnection);
URI uri = httpEngine.getUri();
ResponseHeaders response = httpEngine.getResponseHeaders();
RawHeaders varyHeaders =
httpEngine.getRequestHeaders().getHeaders().getAll(response.getVaryFields());
Entry entry = new Entry(uri, varyHeaders, httpConnection);
DiskLruCache.Snapshot snapshot = (conditionalCacheHit instanceof EntryCacheResponse)
? ((EntryCacheResponse) conditionalCacheHit).snapshot
: ((EntrySecureCacheResponse) conditionalCacheHit).snapshot;
DiskLruCache.Editor editor = null;
try {
editor = snapshot.edit(); // returns null if snapshot is not current
if (editor != null) {
entry.writeTo(editor);
editor.commit();
}
} catch (IOException e) {
abortQuietly(editor);
}
}
private void update(CacheResponse conditionalCacheHit, HttpURLConnection httpConnection)
throws IOException {
HttpEngine httpEngine = getHttpEngine(httpConnection);
URI uri = httpEngine.getUri();
ResponseHeaders response = httpEngine.getResponseHeaders();
RawHeaders varyHeaders =
httpEngine.getRequestHeaders().getHeaders().getAll(response.getVaryFields());
Entry entry = new Entry(uri, varyHeaders, httpConnection);
DiskLruCache.Snapshot snapshot = (conditionalCacheHit instanceof EntryCacheResponse)
? ((EntryCacheResponse) conditionalCacheHit).snapshot
: ((EntrySecureCacheResponse) conditionalCacheHit).snapshot;
DiskLruCache.Editor editor = null;
try {
editor = snapshot.edit(); // returns null if snapshot is not current
if (editor != null) {
entry.writeTo(editor);
editor.commit();
}
} catch (IOException e) {
abortQuietly(editor);
}
}
@Override
public CacheResponse get(URI uri, String requestMethod, Map<String, List<String>> requestHeaders) {
String key = uriToKey(uri);
DiskLruCache.Snapshot snapshot;
Entry entry;
try {
snapshot = cache.get(key);
if (snapshot == null) {
return null;
}
entry = new Entry(snapshot.getInputStream(ENTRY_METADATA));
} catch (IOException e) {
// Give up because the cache cannot be read.
return null;
}
if (!entry.matches(uri, requestMethod, requestHeaders)) {
snapshot.close();
return null;
}
return entry.isHttps() ? new EntrySecureCacheResponse(entry, snapshot) : new EntryCacheResponse(entry, snapshot);
}
private void update(CacheResponse conditionalCacheHit, HttpURLConnection httpConnection) throws IOException {
HttpEngine httpEngine = getHttpEngine(httpConnection);
URI uri = httpEngine.getUri();
ResponseHeaders response = httpEngine.getResponseHeaders();
RawHeaders varyHeaders = httpEngine.getRequestHeaders().getHeaders().getAll(response.getVaryFields());
Entry entry = new Entry(uri, varyHeaders, httpConnection);
DiskLruCache.Snapshot snapshot = (conditionalCacheHit instanceof EntryCacheResponse) ? ((EntryCacheResponse) conditionalCacheHit).snapshot : ((EntrySecureCacheResponse) conditionalCacheHit).snapshot;
DiskLruCache.Editor editor = null;
try {
editor = snapshot.edit(); // returns null if snapshot is not current
if (editor != null) {
entry.writeTo(editor);
editor.commit();
}
} catch (IOException e) {
abortQuietly(editor);
}
}
private void update(CacheResponse conditionalCacheHit, HttpURLConnection httpConnection)
throws IOException {
HttpEngine httpEngine = getHttpEngine(httpConnection);
URI uri = httpEngine.getUri();
ResponseHeaders response = httpEngine.getResponseHeaders();
RawHeaders varyHeaders =
httpEngine.getRequestHeaders().getHeaders().getAll(response.getVaryFields());
Entry entry = new Entry(uri, varyHeaders, httpConnection);
DiskLruCache.Snapshot snapshot = (conditionalCacheHit instanceof EntryCacheResponse)
? ((EntryCacheResponse) conditionalCacheHit).snapshot
: ((EntrySecureCacheResponse) conditionalCacheHit).snapshot;
DiskLruCache.Editor editor = null;
try {
editor = snapshot.edit(); // returns null if snapshot is not current
if (editor != null) {
entry.writeTo(editor);
editor.commit();
}
} catch (IOException e) {
abortQuietly(editor);
}
}
@Override public CacheResponse get(URI uri, String requestMethod,
Map<String, List<String>> requestHeaders) {
String key = uriToKey(uri);
DiskLruCache.Snapshot snapshot;
Entry entry;
try {
snapshot = cache.get(key);
if (snapshot == null) {
return null;
}
entry = new Entry(snapshot.getInputStream(ENTRY_METADATA));
} catch (IOException e) {
// Give up because the cache cannot be read.
return null;
}
if (!entry.matches(uri, requestMethod, requestHeaders)) {
snapshot.close();
return null;
}
return entry.isHttps() ? new EntrySecureCacheResponse(entry, snapshot)
: new EntryCacheResponse(entry, snapshot);
}
@Override public CacheResponse get(URI uri, String requestMethod,
Map<String, List<String>> requestHeaders) {
String key = uriToKey(uri);
DiskLruCache.Snapshot snapshot;
Entry entry;
try {
snapshot = cache.get(key);
if (snapshot == null) {
return null;
}
entry = new Entry(snapshot.getInputStream(ENTRY_METADATA));
} catch (IOException e) {
// Give up because the cache cannot be read.
return null;
}
if (!entry.matches(uri, requestMethod, requestHeaders)) {
snapshot.close();
return null;
}
return entry.isHttps() ? new EntrySecureCacheResponse(entry, snapshot)
: new EntryCacheResponse(entry, snapshot);
}
@Override public CacheResponse get(URI uri, String requestMethod,
Map<String, List<String>> requestHeaders) {
String key = uriToKey(uri);
DiskLruCache.Snapshot snapshot;
Entry entry;
try {
snapshot = cache.get(key);
if (snapshot == null) {
return null;
}
entry = new Entry(snapshot.getInputStream(ENTRY_METADATA));
} catch (IOException e) {
// Give up because the cache cannot be read.
return null;
}
if (!entry.matches(uri, requestMethod, requestHeaders)) {
snapshot.close();
return null;
}
return entry.isHttps() ? new EntrySecureCacheResponse(entry, snapshot)
: new EntryCacheResponse(entry, snapshot);
}
private void update(CacheResponse conditionalCacheHit, HttpURLConnection httpConnection)
throws IOException {
HttpEngine httpEngine = getHttpEngine(httpConnection);
URI uri = httpEngine.getUri();
ResponseHeaders response = httpEngine.getResponseHeaders();
RawHeaders varyHeaders =
httpEngine.getRequestHeaders().getHeaders().getAll(response.getVaryFields());
Entry entry = new Entry(uri, varyHeaders, httpConnection);
DiskLruCache.Snapshot snapshot = (conditionalCacheHit instanceof EntryCacheResponse)
? ((EntryCacheResponse) conditionalCacheHit).snapshot
: ((EntrySecureCacheResponse) conditionalCacheHit).snapshot;
DiskLruCache.Editor editor = null;
try {
editor = snapshot.edit(); // returns null if snapshot is not current
if (editor != null) {
entry.writeTo(editor);
editor.commit();
}
} catch (IOException e) {
abortQuietly(editor);
}
}
@Override public CacheResponse get(URI uri, String requestMethod,
Map<String, List<String>> requestHeaders) {
String key = uriToKey(uri);
DiskLruCache.Snapshot snapshot;
Entry entry;
try {
snapshot = cache.get(key);
if (snapshot == null) {
return null;
}
entry = new Entry(snapshot.getInputStream(ENTRY_METADATA));
} catch (IOException e) {
// Give up because the cache cannot be read.
return null;
}
if (!entry.matches(uri, requestMethod, requestHeaders)) {
snapshot.close();
return null;
}
return entry.isHttps() ? new EntrySecureCacheResponse(entry, snapshot)
: new EntryCacheResponse(entry, snapshot);
}
/**
* Initialize the source for this response. It may be corrected later if the
* request headers forbids network use.
*/
private void initResponseSource() throws IOException {
responseSource = ResponseSource.NETWORK;
if (!policy.getUseCaches() || policy.responseCache == null) {
return;
}
CacheResponse candidate =
policy.responseCache.get(uri, method, requestHeaders.getHeaders().toMultimap(false));
if (candidate == null) {
return;
}
Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
cachedResponseBody = candidate.getBody();
if (!acceptCacheResponseType(candidate)
|| responseHeadersMap == null
|| cachedResponseBody == null) {
Util.closeQuietly(cachedResponseBody);
return;
}
RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
long now = System.currentTimeMillis();
this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
if (responseSource == ResponseSource.CACHE) {
this.cacheResponse = candidate;
setResponse(cachedResponseHeaders, cachedResponseBody);
} else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
this.cacheResponse = candidate;
} else if (responseSource == ResponseSource.NETWORK) {
Util.closeQuietly(cachedResponseBody);
} else {
throw new AssertionError();
}
}
/**
* Initialize the source for this response. It may be corrected later if the
* request headers forbids network use.
*/
private void initResponseSource() throws IOException {
responseSource = ResponseSource.NETWORK;
if (!policy.getUseCaches()) return;
OkResponseCache responseCache = client.getOkResponseCache();
if (responseCache == null) return;
CacheResponse candidate = responseCache.get(
uri, method, requestHeaders.getHeaders().toMultimap(false));
if (candidate == null) return;
Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
cachedResponseBody = candidate.getBody();
if (!acceptCacheResponseType(candidate)
|| responseHeadersMap == null
|| cachedResponseBody == null) {
Util.closeQuietly(cachedResponseBody);
return;
}
RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
long now = System.currentTimeMillis();
this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
if (responseSource == ResponseSource.CACHE) {
this.cacheResponse = candidate;
setResponse(cachedResponseHeaders, cachedResponseBody);
} else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
this.cacheResponse = candidate;
} else if (responseSource == ResponseSource.NETWORK) {
Util.closeQuietly(cachedResponseBody);
} else {
throw new AssertionError();
}
}
/**
* Initialize the source for this response. It may be corrected later if the
* request headers forbids network use.
*/
private void initResponseSource() throws IOException {
responseSource = ResponseSource.NETWORK;
if (!policy.getUseCaches()) return;
OkResponseCache responseCache = client.getOkResponseCache();
if (responseCache == null) return;
CacheResponse candidate = responseCache.get(
uri, method, requestHeaders.getHeaders().toMultimap(false));
if (candidate == null) return;
Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
cachedResponseBody = candidate.getBody();
if (!acceptCacheResponseType(candidate)
|| responseHeadersMap == null
|| cachedResponseBody == null) {
Util.closeQuietly(cachedResponseBody);
return;
}
RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
long now = System.currentTimeMillis();
this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
if (responseSource == ResponseSource.CACHE) {
this.cacheResponse = candidate;
setResponse(cachedResponseHeaders, cachedResponseBody);
} else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
this.cacheResponse = candidate;
} else if (responseSource == ResponseSource.NETWORK) {
Util.closeQuietly(cachedResponseBody);
} else {
throw new AssertionError();
}
}
/**
* Initialize the source for this response. It may be corrected later if the
* request headers forbids network use.
*/
private void initResponseSource() throws IOException {
responseSource = ResponseSource.NETWORK;
if (!policy.getUseCaches())
return;
OkResponseCache responseCache = client.getOkResponseCache();
if (responseCache == null)
return;
CacheResponse candidate = responseCache.get(uri, method, requestHeaders.getHeaders().toMultimap(false));
if (candidate == null)
return;
Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
cachedResponseBody = candidate.getBody();
if (!acceptCacheResponseType(candidate) || responseHeadersMap == null || cachedResponseBody == null) {
Util.closeQuietly(cachedResponseBody);
return;
}
RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
long now = System.currentTimeMillis();
this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
if (responseSource == ResponseSource.CACHE) {
this.cacheResponse = candidate;
setResponse(cachedResponseHeaders, cachedResponseBody);
} else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
this.cacheResponse = candidate;
} else if (responseSource == ResponseSource.NETWORK) {
Util.closeQuietly(cachedResponseBody);
} else {
throw new AssertionError();
}
}
@Override
public CacheResponse get (URI uri,
String rqstMethod,
Map<String, List<String>> rqstHeaders)
throws IOException
{
return null;
}
/**
* Initialize the source for this response. It may be corrected later if the
* request headers forbids network use.
*/
private void initResponseSource() throws IOException {
responseSource = ResponseSource.NETWORK;
if (!policy.getUseCaches()) return;
OkResponseCache responseCache = client.getOkResponseCache();
if (responseCache == null) return;
CacheResponse candidate = responseCache.get(
uri, method, requestHeaders.getHeaders().toMultimap(false));
if (candidate == null) return;
Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
cachedResponseBody = candidate.getBody();
if (!acceptCacheResponseType(candidate)
|| responseHeadersMap == null
|| cachedResponseBody == null) {
Util.closeQuietly(cachedResponseBody);
return;
}
RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
long now = System.currentTimeMillis();
this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
if (responseSource == ResponseSource.CACHE) {
this.cacheResponse = candidate;
setResponse(cachedResponseHeaders, cachedResponseBody);
} else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
this.cacheResponse = candidate;
} else if (responseSource == ResponseSource.NETWORK) {
Util.closeQuietly(cachedResponseBody);
} else {
throw new AssertionError();
}
}
@Override public CacheResponse get(URI uri, String requestMethod,
Map<String, List<String>> requestHeaders) throws IOException {
return delegate.get(uri, requestMethod, requestHeaders);
}
public synchronized CacheResponse get(final URI uri, String rqstMethod,
Map requestHeaders) throws IOException {
System.out.println("get: " + uri);
Thread.currentThread().dumpStack();
return null;
}
@Override protected boolean acceptCacheResponseType(CacheResponse cacheResponse) {
return cacheResponse instanceof SecureCacheResponse;
}
@Override public void update(
CacheResponse conditionalCacheHit, HttpURLConnection connection) throws IOException {
HttpResponseCache.this.update(conditionalCacheHit, connection);
}
public synchronized CacheResponse get(final URI uri, String rqstMethod,
Map requestHeaders) throws IOException {
System.out.println("get: " + uri);
Thread.currentThread().dumpStack();
return null;
}
public synchronized CacheResponse get(final URI uri, String rqstMethod,
Map requestHeaders) throws IOException {
System.out.println("get: " + uri);
Thread.currentThread().dumpStack();
return null;
}
@Override public void update(CacheResponse conditionalCacheHit, HttpURLConnection connection)
throws IOException {
}
@Override public void update(
CacheResponse conditionalCacheHit, HttpURLConnection connection) throws IOException {
HttpResponseCache.this.update(conditionalCacheHit, connection);
}
public synchronized CacheResponse get(final URI uri, String rqstMethod,
Map requestHeaders) throws IOException {
System.out.println("get: " + uri);
Thread.currentThread().dumpStack();
return null;
}
public synchronized CacheResponse get(final URI uri, String rqstMethod,
Map requestHeaders) throws IOException {
System.out.println("get: " + uri);
Thread.currentThread().dumpStack();
return null;
}