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Optimize collection handling

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This commit is contained in:
Richard Körber
2023-04-29 15:15:22 +02:00
parent 00830858ca
commit d0c2aafaf1
1 changed files with 11 additions and 15 deletions
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26
acme4j-client/src/main/java/org/shredzone/acme4j/Certificate.java
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@@ -14,7 +14,8 @@
package org.shredzone.acme4j;
import static java.util.Collections.unmodifiableList;
import static java.util.stream.Collectors.toList;
import static java.util.Objects.requireNonNull;
import static java.util.stream.Collectors.toUnmodifiableList;
import java.io.IOException;
import java.io.Writer;
@@ -22,8 +23,7 @@ import java.net.URL;
import java.security.KeyPair;
import java.security.cert.CertificateEncodingException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Collection;
import java.util.List;
import edu.umd.cs.findbugs.annotations.Nullable;
@@ -46,8 +46,8 @@ public class Certificate extends AcmeResource {
private static final long serialVersionUID = 7381527770159084201L;
private static final Logger LOG = LoggerFactory.getLogger(Certificate.class);
private @Nullable ArrayList<X509Certificate> certChain;
private @Nullable ArrayList<URL> alternates;
private @Nullable List<X509Certificate> certChain;
private @Nullable Collection<URL> alternates;
protected Certificate(Login login, URL certUrl) {
super(login, certUrl);
@@ -68,8 +68,8 @@ public class Certificate extends AcmeResource {
LOG.debug("download");
try (var conn = getSession().connect()) {
conn.sendCertificateRequest(getLocation(), getLogin());
alternates = new ArrayList<>(conn.getLinks("alternate"));
certChain = new ArrayList<>(conn.readCertificates());
alternates = conn.getLinks("alternate");
certChain = conn.readCertificates();
}
}
}
@@ -81,7 +81,7 @@ public class Certificate extends AcmeResource {
*/
public X509Certificate getCertificate() {
lazyDownload();
return certChain.get(0);
return requireNonNull(certChain).get(0);
}
/**
@@ -93,7 +93,7 @@ public class Certificate extends AcmeResource {
*/
public List<X509Certificate> getCertificateChain() {
lazyDownload();
return unmodifiableList(certChain);
return unmodifiableList(requireNonNull(certChain));
}
/**
@@ -103,11 +103,7 @@ public class Certificate extends AcmeResource {
*/
public List<URL> getAlternates() {
lazyDownload();
if (alternates != null) {
return unmodifiableList(alternates);
} else {
return Collections.emptyList();
}
return requireNonNull(alternates).stream().collect(toUnmodifiableList());
}
/**
@@ -120,7 +116,7 @@ public class Certificate extends AcmeResource {
var login = getLogin();
return getAlternates().stream()
.map(login::bindCertificate)
.collect(toList());
.collect(toUnmodifiableList());
}
/**