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/**
* Copyright (C) 2006-2014 phloc systems
* http://www.phloc.com
* office[at]phloc[dot]com
*
* 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.
*/
package com.phloc.css.writer;
import javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
import javax.annotation.concurrent.NotThreadSafe;
import com.phloc.commons.hash.HashCodeGenerator;
import com.phloc.commons.string.StringHelper;
import com.phloc.commons.string.ToStringGenerator;
import com.phloc.css.ECSSVersion;
import com.phloc.css.ICSSVersionAware;
import com.phloc.css.ICSSWriterSettings;
import com.phloc.css.utils.CSSURLHelper;
/**
* This class represents the options required for writing
*
* @author Philip Helger
*/
@NotThreadSafe
public class CSSWriterSettings implements ICSSWriterSettings
{
/** By default no optimized output */
public static final boolean DEFAULT_OPTIMIZED_OUTPUT = false;
/** By default unnecessary code is not removed */
public static final boolean DEFAULT_REMOVE_UNNECESSARY_CODE = false;
/** By default indentation is done by 2 spaces */
public static final String DEFAULT_INDENT = " ";
/** By default URLs are not quoted */
public static final boolean DEFAULT_QUOTE_URLS = CSSURLHelper.DEFAULT_QUOTE_URLS;
/** By default namespace rules are written */
public static final boolean DEFAULT_WRITE_NAMESPACE_RULES = true;
/** By default font-face rules are written */
public static final boolean DEFAULT_WRITE_FONT_FACE_RULES = true;
/** By default keyframes rules are written */
public static final boolean DEFAULT_WRITE_KEYFRAMES_RULES = true;
/** By default media rules are written */
public static final boolean DEFAULT_WRITE_MEDIA_RULES = true;
/** By default page rules are written */
public static final boolean DEFAULT_WRITE_PAGE_RULES = true;
/** By default viewport rules are written */
public static final boolean DEFAULT_WRITE_VIEWPORT_RULES = true;
/** By default supports rules are written */
public static final boolean DEFAULT_WRITE_SUPPORTS_RULES = true;
/** By default unknown rules are written */
public static final boolean DEFAULT_WRITE_UNKNOWN_RULES = true;
private final ECSSVersion m_eVersion;
private boolean m_bOptimizedOutput;
private boolean m_bRemoveUnnecessaryCode = DEFAULT_REMOVE_UNNECESSARY_CODE;
private String m_sIndent = DEFAULT_INDENT;
private boolean m_bQuoteURLs = DEFAULT_QUOTE_URLS;
private boolean m_bWriteNamespaceRules = DEFAULT_WRITE_NAMESPACE_RULES;
private boolean m_bWriteFontFaceRules = DEFAULT_WRITE_FONT_FACE_RULES;
private boolean m_bWriteKeyframesRules = DEFAULT_WRITE_KEYFRAMES_RULES;
private boolean m_bWriteMediaRules = DEFAULT_WRITE_MEDIA_RULES;
private boolean m_bWritePageRules = DEFAULT_WRITE_PAGE_RULES;
private boolean m_bWriteViewportRules = DEFAULT_WRITE_VIEWPORT_RULES;
private boolean m_bWriteSupportsRules = DEFAULT_WRITE_SUPPORTS_RULES;
private boolean m_bWriteUnknownRules = DEFAULT_WRITE_UNKNOWN_RULES;
/**
* @param eVersion
* CSS version to emit
*/
public CSSWriterSettings (@Nonnull final ECSSVersion eVersion)
{
this (eVersion, DEFAULT_OPTIMIZED_OUTPUT);
}
/**
* @param eVersion
* CSS version to emit
* @param bOptimizedOutput
* if true the output will be optimized for space, else
* for readability
*/
public CSSWriterSettings (@Nonnull final ECSSVersion eVersion, final boolean bOptimizedOutput)
{
if (eVersion == null)
throw new NullPointerException ("version");
m_eVersion = eVersion;
m_bOptimizedOutput = bOptimizedOutput;
}
/**
* Copy constructor.
*
* @param aBase
* The base settings to copy everything from.
*/
public CSSWriterSettings (@Nonnull final ICSSWriterSettings aBase)
{
if (aBase == null)
throw new NullPointerException ("base");
m_eVersion = aBase.getVersion ();
m_bOptimizedOutput = aBase.isOptimizedOutput ();
m_sIndent = aBase.getIndent (1);
m_bQuoteURLs = aBase.isQuoteURLs ();
m_bWriteNamespaceRules = aBase.isWriteNamespaceRules ();
m_bWriteFontFaceRules = aBase.isWriteFontFaceRules ();
m_bWriteKeyframesRules = aBase.isWriteKeyframesRules ();
m_bWriteMediaRules = aBase.isWriteMediaRules ();
m_bWritePageRules = aBase.isWritePageRules ();
m_bWriteViewportRules = aBase.isWriteViewportRules ();
m_bWriteSupportsRules = aBase.isWriteSupportsRules ();
m_bWriteUnknownRules = aBase.isWriteUnknownRules ();
}
@Nonnull
public final ECSSVersion getVersion ()
{
return m_eVersion;
}
public final boolean isOptimizedOutput ()
{
return m_bOptimizedOutput;
}
@Nonnull
public final CSSWriterSettings setOptimizedOutput (final boolean bOptimizedOutput)
{
m_bOptimizedOutput = bOptimizedOutput;
return this;
}
public final boolean isRemoveUnnecessaryCode ()
{
return m_bRemoveUnnecessaryCode;
}
@Nonnull
public final CSSWriterSettings setRemoveUnnecessaryCode (final boolean bRemoveUnnecessaryCode)
{
m_bRemoveUnnecessaryCode = bRemoveUnnecessaryCode;
return this;
}
@Nonnull
public final String getIndent (@Nonnegative final int nCount)
{
return StringHelper.getRepeated (m_sIndent, nCount);
}
@Nonnull
public final CSSWriterSettings setIndent (@Nonnull final String sIndent)
{
if (sIndent == null)
throw new NullPointerException ("indent");
m_sIndent = sIndent;
return this;
}
public final boolean isQuoteURLs ()
{
return m_bQuoteURLs;
}
@Nonnull
public final CSSWriterSettings setQuoteURLs (final boolean bQuoteURLs)
{
m_bQuoteURLs = bQuoteURLs;
return this;
}
public final boolean isWriteNamespaceRules ()
{
return m_bWriteNamespaceRules;
}
@Nonnull
public final CSSWriterSettings setWriteNamespaceRules (final boolean bWriteNamespaceRules)
{
m_bWriteNamespaceRules = bWriteNamespaceRules;
return this;
}
public final boolean isWriteFontFaceRules ()
{
return m_bWriteFontFaceRules;
}
@Nonnull
public final CSSWriterSettings setWriteFontFaceRules (final boolean bWriteFontFaceRules)
{
m_bWriteFontFaceRules = bWriteFontFaceRules;
return this;
}
public final boolean isWriteKeyframesRules ()
{
return m_bWriteKeyframesRules;
}
@Nonnull
public final CSSWriterSettings setWriteKeyframesRules (final boolean bWriteKeyframesRules)
{
m_bWriteKeyframesRules = bWriteKeyframesRules;
return this;
}
public final boolean isWriteMediaRules ()
{
return m_bWriteMediaRules;
}
@Nonnull
public final CSSWriterSettings setWriteMediaRules (final boolean bWriteMediaRules)
{
m_bWriteMediaRules = bWriteMediaRules;
return this;
}
public final boolean isWritePageRules ()
{
return m_bWritePageRules;
}
@Nonnull
public final CSSWriterSettings setWritePageRules (final boolean bWritePageRules)
{
m_bWritePageRules = bWritePageRules;
return this;
}
public final boolean isWriteViewportRules ()
{
return m_bWriteViewportRules;
}
@Nonnull
public final CSSWriterSettings setWriteViewportRules (final boolean bWriteViewportRules)
{
m_bWriteViewportRules = bWriteViewportRules;
return this;
}
public final boolean isWriteSupportsRules ()
{
return m_bWriteSupportsRules;
}
@Nonnull
public final CSSWriterSettings setWriteSupportsRules (final boolean bWriteSupportsRules)
{
m_bWriteSupportsRules = bWriteSupportsRules;
return this;
}
public final boolean isWriteUnknownRules ()
{
return m_bWriteUnknownRules;
}
@Nonnull
public final CSSWriterSettings setWriteUnknownRules (final boolean bWriteUnknownRules)
{
m_bWriteUnknownRules = bWriteUnknownRules;
return this;
}
public void checkVersionRequirements (@Nonnull final ICSSVersionAware aCSSObject)
{
final ECSSVersion eMinCSSVersion = aCSSObject.getMinimumCSSVersion ();
if (m_eVersion.compareTo (eMinCSSVersion) < 0)
throw new IllegalStateException ("This object cannot be serialized to CSS version " +
m_eVersion.getVersion ().getAsString () +
" but requires at least " +
eMinCSSVersion.getVersion ().getAsString ());
}
@Override
public boolean equals (final Object o)
{
if (o == this)
return true;
if (o == null || !getClass ().equals (o.getClass ()))
return false;
final CSSWriterSettings rhs = (CSSWriterSettings) o;
return m_eVersion.equals (rhs.m_eVersion) &&
m_bOptimizedOutput == rhs.m_bOptimizedOutput &&
m_bRemoveUnnecessaryCode == rhs.m_bRemoveUnnecessaryCode &&
m_sIndent.equals (rhs.m_sIndent) &&
m_bQuoteURLs == rhs.m_bQuoteURLs &&
m_bWriteNamespaceRules == rhs.m_bWriteNamespaceRules &&
m_bWriteFontFaceRules == rhs.m_bWriteFontFaceRules &&
m_bWriteKeyframesRules == rhs.m_bWriteKeyframesRules &&
m_bWriteMediaRules == rhs.m_bWriteMediaRules &&
m_bWritePageRules == rhs.m_bWritePageRules &&
m_bWriteViewportRules == rhs.m_bWriteViewportRules &&
m_bWriteSupportsRules == rhs.m_bWriteSupportsRules &&
m_bWriteUnknownRules == rhs.m_bWriteUnknownRules;
}
@Override
public int hashCode ()
{
return new HashCodeGenerator (this).append (m_eVersion)
.append (m_bOptimizedOutput)
.append (m_bRemoveUnnecessaryCode)
.append (m_sIndent)
.append (m_bQuoteURLs)
.append (m_bWriteNamespaceRules)
.append (m_bWriteFontFaceRules)
.append (m_bWriteKeyframesRules)
.append (m_bWriteMediaRules)
.append (m_bWritePageRules)
.append (m_bWriteViewportRules)
.append (m_bWriteSupportsRules)
.append (m_bWriteUnknownRules)
.getHashCode ();
}
@Override
public String toString ()
{
return new ToStringGenerator (this).append ("version", m_eVersion)
.append ("optimizedOutput", m_bOptimizedOutput)
.append ("removeUnnecessaryCode", m_bRemoveUnnecessaryCode)
.append ("indent", m_sIndent)
.append ("quoteURLs", m_bQuoteURLs)
.append ("writeNamespaceRules", m_bWriteNamespaceRules)
.append ("writeFontFaceRules", m_bWriteFontFaceRules)
.append ("writeKeyframesRules", m_bWriteKeyframesRules)
.append ("writeMediaRules", m_bWriteMediaRules)
.append ("writePageRules", m_bWritePageRules)
.append ("writeViewportRules", m_bWriteViewportRules)
.append ("writeSupportsRules", m_bWriteSupportsRules)
.append ("writeUnknownRules", m_bWriteUnknownRules)
.toString ();
}
}