But that's trivially implemented with a BiConsumer or TriConsumer:
StringMap map = getMap();
map.forEach(k, v, out -> {
out.print(k);
out.print('=');
out.println(v);
});
Sent from my iPhone
> On 6 Nov 2016, at 13:19, Gary Gregory <[email protected]> wrote:
>
> But a SortedArrayStringMap is not a Property, so it cannot write out a
> property file.
>
> Gary
>
>> On Sat, Nov 5, 2016 at 8:24 PM, Remko Popma <[email protected]> wrote:
>> FYI, you could also use a SortedArrayStringMap for that purpose.
>>
>> Sent from my iPhone
>>
>> > On 6 Nov 2016, at 11:47, [email protected] wrote:
>> >
>> > Repository: logging-log4j2
>> > Updated Branches:
>> > refs/heads/LOG4J2-1651 5465f5cf3 -> 5cce8c115
>> >
>> >
>> > Refactor reading cache files. Extract out SortedProperties class.
>> >
>> > Project: http://git-wip-us.apache.org/repos/asf/logging-log4j2/repo
>> > Commit:
>> > http://git-wip-us.apache.org/repos/asf/logging-log4j2/commit/5cce8c11
>> > Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j2/tree/5cce8c11
>> > Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j2/diff/5cce8c11
>> >
>> > Branch: refs/heads/LOG4J2-1651
>> > Commit: 5cce8c11560954f283a7a5a721b718104beebd31
>> > Parents: 5465f5c
>> > Author: Gary Gregory <[email protected]>
>> > Authored: Sat Nov 5 19:47:30 2016 -0700
>> > Committer: Gary Gregory <[email protected]>
>> > Committed: Sat Nov 5 19:47:30 2016 -0700
>> >
>> > ----------------------------------------------------------------------
>> > .../config/plugins/processor/PluginCache.java | 195 +++++++++++--------
>> > .../config/plugins/util/PluginRegistry.java | 1 +
>> > .../log4j/core/util/SortedProperties.java | 47 +++++
>> > 3 files changed, 160 insertions(+), 83 deletions(-)
>> > ----------------------------------------------------------------------
>> >
>> >
>> > http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/5cce8c11/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/processor/PluginCache.java
>> > ----------------------------------------------------------------------
>> > diff --git
>> > a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/processor/PluginCache.java
>> >
>> > b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/processor/PluginCache.java
>> > index 9f73fb3..912f247 100644
>> > ---
>> > a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/processor/PluginCache.java
>> > +++
>> > b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/processor/PluginCache.java
>> > @@ -17,6 +17,7 @@
>> >
>> > package org.apache.logging.log4j.core.config.plugins.processor;
>> >
>> > +import java.beans.XMLDecoder;
>> > import java.beans.XMLEncoder;
>> > import java.io.BufferedInputStream;
>> > import java.io.BufferedOutputStream;
>> > @@ -38,9 +39,8 @@ import java.util.Locale;
>> > import java.util.Map;
>> > import java.util.Map.Entry;
>> > import java.util.Properties;
>> > -import java.util.Set;
>> > -import java.util.TreeSet;
>> >
>> > +import org.apache.logging.log4j.core.util.SortedProperties;
>> > import org.apache.logging.log4j.util.Strings;
>> >
>> > /**
>> > @@ -48,23 +48,34 @@ import org.apache.logging.log4j.util.Strings;
>> > */
>> > public class PluginCache {
>> >
>> > - static class SortedProperties extends Properties {
>> > - private static final long serialVersionUID = 1L;
>> > -
>> > - @Override
>> > - public synchronized Enumeration<Object> keys() {
>> > - return Collections.enumeration(new TreeSet<>(super.keySet()));
>> > - }
>> > -
>> > - @Override
>> > - public Set<String> stringPropertyNames() {
>> > - return new TreeSet<>(super.stringPropertyNames());
>> > - }
>> > - }
>> > -
>> > public enum Format {
>> > +
>> > DAT {
>> > @Override
>> > + public void loadCacheFiles(final PluginCache pluginCache,
>> > final URL url) throws IOException {
>> > + try (final DataInputStream in = new DataInputStream(new
>> > BufferedInputStream(url.openStream()))) {
>> > + final int count = in.readInt();
>> > + for (int i = 0; i < count; i++) {
>> > + final String category = in.readUTF();
>> > + final Map<String, PluginEntry> m =
>> > pluginCache.getCategory(category);
>> > + final int entries = in.readInt();
>> > + for (int j = 0; j < entries; j++) {
>> > + final PluginEntry entry = new PluginEntry();
>> > + entry.setKey(in.readUTF());
>> > + entry.setClassName(in.readUTF());
>> > + entry.setName(in.readUTF());
>> > + entry.setPrintable(in.readBoolean());
>> > + entry.setDefer(in.readBoolean());
>> > + entry.setCategory(category);
>> > + if (!m.containsKey(entry.getKey())) {
>> > + m.put(entry.getKey(), entry);
>> > + }
>> > + }
>> > + }
>> > + }
>> > + }
>> > +
>> > + @Override
>> > public void writeCache(final PluginCache pluginCache, final
>> > OutputStream os) throws IOException {
>> > try (final DataOutputStream out = new DataOutputStream(new
>> > BufferedOutputStream(os))) {
>> > // See PluginManager.readFromCacheFiles for the
>> > corresponding decoder. Format may not be changed
>> > @@ -88,28 +99,13 @@ public class PluginCache {
>> > }
>> > },
>> >
>> > - XML {
>> > - @Override
>> > - public void writeCache(final PluginCache pluginCache, final
>> > OutputStream os) {
>> > - try (final XMLEncoder out = new XMLEncoder(os)) {
>> > - out.writeObject(pluginCache.categories);
>> > - }
>> > - }
>> > - },
>> > -
>> > - PROPERTIES_XML {
>> > + PROPERTIES {
>> > @Override
>> > - public String getExtension() {
>> > - return ".properties.xml";
>> > - }
>> > + public void loadCacheFiles(final PluginCache pluginCache,
>> > final URL url) throws IOException {
>> > + // TODO Auto-generated method stub
>> >
>> > - @Override
>> > - public void writeCache(final PluginCache pluginCache, final
>> > OutputStream os) throws IOException {
>> > - toProperties(pluginCache).storeToXML(os, "Log4j2 plugin
>> > cache file");
>> > }
>> > - },
>> >
>> > - PROPERTIES {
>> > @Override
>> > public void writeCache(final PluginCache pluginCache, final
>> > OutputStream os) throws IOException {
>> > final ByteArrayOutputStream baos = new
>> > ByteArrayOutputStream();
>> > @@ -130,13 +126,43 @@ public class PluginCache {
>> > }
>> > }
>> >
>> > - };
>> > + },
>> >
>> > - public String getExtension() {
>> > - return "." + toString().toLowerCase(Locale.ROOT);
>> > - }
>> > + PROPERTIES_XML {
>> > + @Override
>> > + public String getExtension() {
>> > + return ".properties.xml";
>> > + }
>> > +
>> > + @Override
>> > + public void loadCacheFiles(final PluginCache pluginCache,
>> > final URL url) throws IOException {
>> > + // TODO Auto-generated method stub
>> > +
>> > + }
>> > +
>> > + @Override
>> > + public void writeCache(final PluginCache pluginCache, final
>> > OutputStream os) throws IOException {
>> > + toProperties(pluginCache).storeToXML(os, "Log4j2 plugin
>> > cache file");
>> > + }
>> > + },
>> > +
>> > + XML {
>> > + @Override
>> > + public void loadCacheFiles(final PluginCache pluginCache,
>> > final URL url) throws IOException {
>> > + try (final XMLDecoder out = new
>> > XMLDecoder(url.openStream())) {
>> > + @SuppressWarnings("unchecked")
>> > + final Map<String, Map<String, PluginEntry>> object =
>> > (Map<String, Map<String, PluginEntry>>) out.readObject();
>> > + pluginCache.getAllCategories().putAll(object);
>> > + }
>> > + }
>> >
>> > - public abstract void writeCache(PluginCache pluginCache, final
>> > OutputStream os) throws IOException;
>> > + @Override
>> > + public void writeCache(final PluginCache pluginCache, final
>> > OutputStream os) {
>> > + try (final XMLEncoder out = new XMLEncoder(os)) {
>> > + out.writeObject(pluginCache.categories);
>> > + }
>> > + }
>> > + };
>> >
>> > /**
>> > * Parses a comma-separated list of {@code Format}s.
>> > @@ -174,6 +200,15 @@ public class PluginCache {
>> > }
>> > return prop;
>> > }
>> > +
>> > + public String getExtension() {
>> > + return "." + toString().toLowerCase(Locale.ROOT);
>> > + }
>> > +
>> > + public abstract void loadCacheFiles(PluginCache pluginCache, URL
>> > url) throws IOException;
>> > +
>> > + public abstract void writeCache(PluginCache pluginCache,
>> > OutputStream os) throws IOException;
>> > +
>> > }
>> >
>> > private final Map<String, Map<String, PluginEntry>> categories = new
>> > LinkedHashMap<>();
>> > @@ -203,6 +238,44 @@ public class PluginCache {
>> > return categories.get(key);
>> > }
>> >
>> > + public void loadCacheFiles(final ClassLoader classLoader) throws
>> > IOException {
>> > + categories.clear();
>> > + for (final Format format : Format.values()) {
>> > + final Enumeration<URL> resources = classLoader
>> > + .getResources(PluginProcessor.PLUGIN_CACHE_FILE_BASE
>> > + format.getExtension());
>> > + while (resources.hasMoreElements()) {
>> > + final URL url = resources.nextElement();
>> > + format.loadCacheFiles(this, url);
>> > + }
>> > + }
>> > + }
>> > +
>> > + /**
>> > + * Loads and merges all the Log4j plugin cache files specified.
>> > Usually, this is obtained via a ClassLoader.
>> > + *
>> > + * @param resources
>> > + * URLs to all the desired plugin cache files to load.
>> > + * @throws IOException
>> > + * if an I/O exception occurs.
>> > + * @deprecated Use {@link #loadCacheFiles(ClassLoader)}.
>> > + */
>> > + @Deprecated
>> > + public void loadCacheFiles(final Enumeration<URL> resources) throws
>> > IOException {
>> > + categories.clear();
>> > + while (resources.hasMoreElements()) {
>> > + Format.DAT.loadCacheFiles(this, resources.nextElement());
>> > + }
>> > + }
>> > +
>> > + /**
>> > + * Gets the number of plugin categories registered.
>> > + *
>> > + * @return number of plugin categories in cache.
>> > + */
>> > + public int size() {
>> > + return categories.size();
>> > + }
>> > +
>> > /**
>> > * Stores the plugin cache to a given OutputStream.
>> > *
>> > @@ -237,48 +310,4 @@ public class PluginCache {
>> > Format.valueOf(formatStr).writeCache(this, os);
>> > }
>> > }
>> > -
>> > - /**
>> > - * Loads and merges all the Log4j plugin cache files specified.
>> > Usually, this is obtained via a ClassLoader.
>> > - *
>> > - * @param resources
>> > - * URLs to all the desired plugin cache files to load.
>> > - * @throws IOException
>> > - * if an I/O exception occurs.
>> > - */
>> > - public void loadCacheFiles(final Enumeration<URL> resources) throws
>> > IOException {
>> > - categories.clear();
>> > - while (resources.hasMoreElements()) {
>> > - final URL url = resources.nextElement();
>> > - try (final DataInputStream in = new DataInputStream(new
>> > BufferedInputStream(url.openStream()))) {
>> > - final int count = in.readInt();
>> > - for (int i = 0; i < count; i++) {
>> > - final String category = in.readUTF();
>> > - final Map<String, PluginEntry> m =
>> > getCategory(category);
>> > - final int entries = in.readInt();
>> > - for (int j = 0; j < entries; j++) {
>> > - final PluginEntry entry = new PluginEntry();
>> > - entry.setKey(in.readUTF());
>> > - entry.setClassName(in.readUTF());
>> > - entry.setName(in.readUTF());
>> > - entry.setPrintable(in.readBoolean());
>> > - entry.setDefer(in.readBoolean());
>> > - entry.setCategory(category);
>> > - if (!m.containsKey(entry.getKey())) {
>> > - m.put(entry.getKey(), entry);
>> > - }
>> > - }
>> > - }
>> > - }
>> > - }
>> > - }
>> > -
>> > - /**
>> > - * Gets the number of plugin categories registered.
>> > - *
>> > - * @return number of plugin categories in cache.
>> > - */
>> > - public int size() {
>> > - return categories.size();
>> > - }
>> > }
>> >
>> > http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/5cce8c11/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/util/PluginRegistry.java
>> > ----------------------------------------------------------------------
>> > diff --git
>> > a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/util/PluginRegistry.java
>> >
>> > b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/util/PluginRegistry.java
>> > index a657f1a..71b841f 100644
>> > ---
>> > a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/util/PluginRegistry.java
>> > +++
>> > b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/util/PluginRegistry.java
>> > @@ -164,6 +164,7 @@ public class PluginRegistry {
>> > LOGGER.info("Plugin preloads not available from class
>> > loader {}", loader);
>> > } else {
>> > cache.loadCacheFiles(resources);
>> > + cache.loadCacheFiles(loader);
>> > }
>> > } catch (final IOException ioe) {
>> > LOGGER.warn("Unable to preload plugins", ioe);
>> >
>> > http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/5cce8c11/log4j-core/src/main/java/org/apache/logging/log4j/core/util/SortedProperties.java
>> > ----------------------------------------------------------------------
>> > diff --git
>> > a/log4j-core/src/main/java/org/apache/logging/log4j/core/util/SortedProperties.java
>> >
>> > b/log4j-core/src/main/java/org/apache/logging/log4j/core/util/SortedProperties.java
>> > new file mode 100644
>> > index 0000000..156e41e
>> > --- /dev/null
>> > +++
>> > b/log4j-core/src/main/java/org/apache/logging/log4j/core/util/SortedProperties.java
>> > @@ -0,0 +1,47 @@
>> > +/*
>> > + * Licensed to the Apache Software Foundation (ASF) under one or more
>> > + * contributor license agreements. See the NOTICE file distributed with
>> > + * this work for additional information regarding copyright ownership.
>> > + * The ASF licenses this file to You 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 org.apache.logging.log4j.core.util;
>> > +
>> > +import java.util.Collections;
>> > +import java.util.Enumeration;
>> > +import java.util.Properties;
>> > +import java.util.Set;
>> > +import java.util.TreeSet;
>> > +
>> > +/**
>> > + * Extends the JRE's {@link Properties} class with sorted keys.
>> > + */
>> > +public class SortedProperties extends Properties {
>> > + private static final long serialVersionUID = 1L;
>> > +
>> > + @Override
>> > + public synchronized Enumeration<Object> keys() {
>> > + return Collections.enumeration(new TreeSet<>(super.keySet()));
>> > + }
>> > +
>> > + @Override
>> > + public Enumeration<?> propertyNames() {
>> > + // TODO Auto-generated method stub
>> > + return super.propertyNames();
>> > + }
>> > +
>> > + @Override
>> > + public Set<String> stringPropertyNames() {
>> > + return new TreeSet<>(super.stringPropertyNames());
>> > + }
>> > +}
>> > \ No newline at end of file
>> >
>>
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>
>
>
> --
> E-Mail: [email protected] | [email protected]
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