Content of file LayeredResourceFileSystem.java.html
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../../jacoco-resources/report.gif" type="image/gif"/><title>LayeredResourceFileSystem.java</title><link rel="stylesheet" href="../../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../../index.html" class="el_report">NorthernWind :: Filesystems :: SCM :: Mercurial</a> > <a href="../index.html" class="el_bundle">it-tidalwave-northernwind-core-filesystem-basic</a> > <a href="index.source.html" class="el_package">it.tidalwave.northernwind.frontend.filesystem.basic.layered</a> > <span class="el_source">LayeredResourceFileSystem.java</span></div><h1>LayeredResourceFileSystem.java</h1><pre class="source lang-java linenums">/*
* #%L
* *********************************************************************************************************************
*
* NorthernWind - lightweight CMS
* http://northernwind.tidalwave.it - git clone https://bitbucket.org/tidalwave/northernwind-src.git
* %%
* Copyright (C) 2011 - 2023 Tidalwave s.a.s. (http://tidalwave.it)
* %%
* *********************************************************************************************************************
*
* 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.
*
* *********************************************************************************************************************
*
*
* *********************************************************************************************************************
* #L%
*/
package it.tidalwave.northernwind.frontend.filesystem.basic.layered;
import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
import java.util.IdentityHashMap;
import java.util.List;
import java.util.ListIterator;
import java.io.IOException;
import it.tidalwave.util.As;
import it.tidalwave.northernwind.core.model.ResourceFile;
import it.tidalwave.northernwind.core.model.ResourceFileSystemProvider;
import it.tidalwave.northernwind.core.model.spi.DecoratedResourceFileSystem;
import it.tidalwave.northernwind.frontend.filesystem.basic.FileSystemProvidersProvider;
import lombok.RequiredArgsConstructor;
import lombok.experimental.Delegate;
import lombok.extern.slf4j.Slf4j;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
<span class="fc" id="L49">@RequiredArgsConstructor @Slf4j</span>
public class LayeredResourceFileSystem implements DecoratedResourceFileSystem
{
@Nonnull
private final List<ResourceFileSystemProvider> delegates;
private final FileSystemProvidersProvider fileSystemProvidersProvider;
<span class="fc" id="L57"> private final IdentityHashMap<ResourceFile, ResourceFile> delegateLightWeightMap = new IdentityHashMap<>();</span>
<span class="pc" id="L59"> @Delegate</span>
<span class="fc" id="L60"> private final As asSupport = As.forObject(this);</span>
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public ResourceFile getRoot()
{
<span class="fc" id="L70"> return findFileByPath("");</span>
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @CheckForNull
public ResourceFile findFileByPath (@Nonnull final String name)
{
<span class="fc" id="L81"> log.trace("findResource({})", name);</span>
<span class="fc" id="L82"> ResourceFile result = null;</span>
// FIXME: move to init!
<span class="pc bpc" id="L85" title="1 of 2 branches missed."> if (fileSystemProvidersProvider != null)</span>
{
<span class="nc" id="L87"> delegates.clear();</span>
<span class="nc" id="L88"> final var fileSystemProviders = fileSystemProvidersProvider.getFileSystemProviders();</span>
<span class="nc" id="L89"> delegates.addAll(fileSystemProviders);</span>
}
<span class="fc" id="L92"> for (final ListIterator<? extends ResourceFileSystemProvider> i = delegates.listIterator(delegates.size());</span>
<span class="pc bpc" id="L93" title="1 of 2 branches missed."> i.hasPrevious(); )</span>
{
try
{
<span class="fc" id="L97"> final var fileSystem = i.previous().getFileSystem();</span>
<span class="fc" id="L98"> final var fileObject = fileSystem.findFileByPath(name);</span>
<span class="pc bpc" id="L100" title="1 of 2 branches missed."> if (fileObject != null)</span>
{
<span class="fc" id="L102"> log.trace(">>>> fileSystem: {}, fileObject: {}", fileSystem, fileObject.getPath());</span>
<span class="fc" id="L103"> result = createDecoratorFile(fileObject);</span>
<span class="fc" id="L104"> break;</span>
}
}
<span class="nc" id="L107"> catch (IOException e)</span>
{
<span class="nc" id="L109"> log.warn("", e);</span>
<span class="nc" id="L110"> }</span>
}
<span class="fc" id="L113"> log.trace(">>>> returning {}", result);</span>
<span class="fc" id="L115"> return result;</span>
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override @Nonnull
public synchronized ResourceFile createDecoratorFile (@Nonnull final ResourceFile delegateFile)
{
<span class="pc bpc" id="L126" title="1 of 2 branches missed."> if (delegateFile == null)</span>
{
<span class="nc" id="L128"> return null;</span>
}
<span class="fc" id="L131"> var decorator = delegateLightWeightMap.get(delegateFile);</span>
<span class="pc bpc" id="L133" title="1 of 2 branches missed."> if (decorator == null)</span>
{
<span class="fc bfc" id="L135" title="All 2 branches covered."> decorator = (delegateFile.isData() ? new DecoratorResourceFile(this, delegateFile)</span>
<span class="fc" id="L136"> : new DecoratorResourceFolder(this,</span>
delegates,
<span class="fc" id="L138"> delegateFile.getPath(),</span>
delegateFile));
<span class="fc" id="L140"> delegateLightWeightMap.put(delegateFile, decorator);</span>
}
<span class="fc" id="L143"> return decorator;</span>
}
}
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